CVE-2022-49096

MEDIUMNVD 5.55.5
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to NVD's CVSS score.

Score 5.5 from GitHub Security Advisory published 2025-03-14. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, NVD CVSS v3

Also known asEUVD-2022-55108 (ENISA EUVD) · GHSA-24mj-3qxv-928j (GitHub Security Advisories)Source: ENISA EUVD

5.5EG
EchelonGraph verdictMonitorRemediate within your standard update timelines (the SSVC decision on this page).
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 5.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

In the Linux kernel, the following vulnerability has been resolved:

net: sfc: add missing xdp queue reinitialization

After rx/tx ring buffer size is changed, kernel panic occurs when it acts XDP_TX or XDP_REDIRECT.

When tx/rx ring buffer size is changed(ethtool -G), sfc driver reallocates and reinitializes rx and tx queues and their buffer (tx_queue->buffer). But it misses reinitializing xdp queues(efx->xdp_tx_queues). So, while it is acting XDP_TX or XDP_REDIRECT, it uses the uninitialized tx_queue->buffer.

A new function efx_set_xdp_channels() is separated from efx_set_channels() to handle only xdp queues.

Splat looks like: BUG: kernel NULL pointer dereference, address: 000000000000002a #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 0 P4D 0 Oops: 0002 [#4] PREEMPT SMP NOPTI RIP: 0010:efx_tx_map_chunk+0x54/0x90 [sfc] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G D 5.17.0+ #55 e8beeee8289528f11357029357cf Code: 48 8b 8d a8 01 00 00 48 8d 14 52 4c 8d 2c d0 44 89 e0 48 85 c9 74 0e 44 89 e2 4c 89 f6 48 80 RSP: 0018:ffff92f121e45c60 EFLAGS: 00010297 RIP: 0010:efx_tx_map_chunk+0x54/0x90 [sfc] RAX: 0000000000000040 RBX: ffff92ea506895c0 RCX: ffffffffc0330870 RDX: 0000000000000001 RSI: 00000001139b10ce RDI: ffff92ea506895c0 RBP: ffffffffc0358a80 R08: 00000001139b110d R09: 0000000000000000 R10: 0000000000000001 R11: ffff92ea414c0088 R12: 0000000000000040 R13: 0000000000000018 R14: 00000001139b10ce R15: ffff92ea506895c0 FS: 0000000000000000(0000) GS:ffff92f121ec0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Code: 48 8b 8d a8 01 00 00 48 8d 14 52 4c 8d 2c d0 44 89 e0 48 85 c9 74 0e 44 89 e2 4c 89 f6 48 80 CR2: 000000000000002a CR3: 00000003e6810004 CR4: 00000000007706e0 RSP: 0018:ffff92f121e85c60 EFLAGS: 00010297 PKRU: 55555554 RAX: 0000000000000040 RBX: ffff92ea50689700 RCX: ffffffffc0330870 RDX: 0000000000000001 RSI: 00000001145a90ce RDI: ffff92ea50689700 RBP: ffffffffc0358a80 R08: 00000001145a910d R09: 0000000000000000 R10: 0000000000000001 R11: ffff92ea414c0088 R12: 0000000000000040 R13: 0000000000000018 R14: 00000001145a90ce R15: ffff92ea50689700 FS: 0000000000000000(0000) GS:ffff92f121e80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000002a CR3: 00000003e6810005 CR4: 00000000007706e0 PKRU: 55555554 Call Trace: efx_xdp_tx_buffers+0x12b/0x3d0 [sfc 84c94b8e32d44d296c17e10a634d3ad454de4ba5] __efx_rx_packet+0x5c3/0x930 [sfc 84c94b8e32d44d296c17e10a634d3ad454de4ba5] efx_rx_packet+0x28c/0x2e0 [sfc 84c94b8e32d44d296c17e10a634d3ad454de4ba5] efx_ef10_ev_process+0x5f8/0xf40 [sfc 84c94b8e32d44d296c17e10a634d3ad454de4ba5] ? enqueue_task_fair+0x95/0x550 efx_poll+0xc4/0x360 [sfc 84c94b8e32d44d296c17e10a634d3ad454de4ba5]

CVSS v3
5.5
EG Score
5.5MEDIUMmedium confidence
EG Risk
25
EG Risk 25/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity55% × 45%
Impact severity (EG Severity): CVSS 5.5 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation0.3% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at every mission impact level.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.3%
EPSS %ILE
18th
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (5.5): severity, escalated by confirmed exploitation. This CVE's 5.5 is its impact severity (EG Severity), not escalated.

EG Severity
5.5 MEDIUMCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
EG Likelihood
0.3% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-25). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at every mission impact level.CISA BOD 26-04: 60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

February 26, 2025

Last Modified

August 5, 2026

References (4)

Patch Availability(1)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
linuxKernel @ 5.15.34 (fixes >=5.5.0)—osv

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
linux5.10.103-1 ... 7.2~rc5-1~exp1 (498 versions)
  • every version on: no fix on record
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
linux—
  • every version up to 5.17.3-1: fixed in 5.17.3-1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
linux—
  • every version up to 5.17.3-1: fixed in 5.17.3-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
linux—
  • every version up to 5.17.3-1: fixed in 5.17.3-1
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 36× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 98 of 197 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 2 repeat rows among the latest 100 are merged into the row they repeat. The 99 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-11-01 16:30 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  2. 2026-10-31 16:29 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  3. 2026-10-30 16:31 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  4. 2026-10-29 16:30 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  5. 2026-10-28 16:28 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  6. 2026-10-27 16:28 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  7. 2026-10-26 16:28 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  8. 2026-10-25 17:55 UTCEG score recompute
  9. 2026-10-25 16:29 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  10. 2026-10-24 17:58 UTCEG score recompute
  11. 2026-10-24 17:58 UTCGHSA enrichmentGHSA-24mj-3qxv-928j · GitHub CVSS 5.5
  12. 2026-10-24 16:29 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  13. 2026-10-23 16:29 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  14. 2026-10-22 16:30 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  15. 2026-10-21 16:29 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  16. 2026-10-20 16:29 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  17. 2026-10-19 16:28 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  18. 2026-10-19 11:55 UTCOSV refresh
  19. 2026-10-18 16:29 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  20. 2026-10-18 08:20 UTCEG score recompute
  21. 2026-10-17 16:29 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  22. 2026-10-16 16:35 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  23. 2026-10-15 16:28 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  24. 2026-10-14 16:29 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  25. 2026-10-13 16:29 UTCEPSS rescoreEPSS 0.3% · 16th percentile
Show 73 more
  1. 2026-10-12 18:42 UTCEG score recompute
  2. 2026-10-12 16:30 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  3. 2026-10-11 22:05 UTCEG score recompute
  4. 2026-10-11 13:45 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  5. 2026-10-10 19:57 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  6. 2026-10-09 20:05 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  7. 2026-10-08 17:05 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  8. 2026-10-07 23:45 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  9. 2026-10-06 15:14 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  10. 2026-10-05 17:40 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  11. 2026-10-04 23:19 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  12. 2026-10-03 14:23 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  13. 2026-09-30 16:12 UTCEG score recompute
  14. 2026-09-30 15:01 UTCEPSS rescoreEPSS 0.3% · 15th percentile
  15. 2026-09-27 13:42 UTCEPSS rescoreEPSS 0.3% · 15th percentile
  16. 2026-09-26 19:03 UTCOSV refresh
  17. 2026-09-26 15:55 UTCEPSS rescoreEPSS 0.3% · 15th percentile
  18. 2026-09-26 00:22 UTCEPSS rescoreEPSS 0.3% · 15th percentile
  19. 2026-09-24 14:00 UTCEPSS rescoreEPSS 0.3% · 15th percentile
  20. 2026-09-23 13:45 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  21. 2026-09-20 20:13 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  22. 2026-09-16 14:05 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  23. 2026-09-16 05:11 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  24. 2026-09-15 03:07 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  25. 2026-09-13 16:44 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  26. 2026-09-11 14:50 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  27. 2026-09-11 09:34 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  28. 2026-09-08 21:57 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  29. 2026-09-07 15:59 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  30. 2026-09-07 04:48 UTCOSV refresh
  31. 2026-09-06 13:45 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  32. 2026-09-05 15:25 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  33. 2026-09-04 13:57 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  34. 2026-09-04 05:04 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  35. 2026-09-02 14:09 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  36. 2026-09-01 13:51 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  37. 2026-08-30 19:15 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  38. 2026-08-30 01:19 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  39. 2026-08-28 21:38 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  40. 2026-08-27 14:22 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  41. 2026-08-26 14:43 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  42. 2026-08-25 13:46 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  43. 2026-08-23 00:17 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  44. 2026-08-21 23:46 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  45. 2026-08-20 22:53 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  46. 2026-08-20 14:31 UTCOSV refresh
  47. 2026-08-19 17:01 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  48. 2026-08-18 13:45 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  49. 2026-08-17 13:44 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  50. 2026-08-16 14:53 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  51. 2026-08-16 02:12 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  52. 2026-08-15 01:27 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  53. 2026-08-13 21:58 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  54. 2026-08-12 13:48 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  55. 2026-08-09 13:44 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  56. 2026-08-08 16:34 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  57. 2026-08-07 16:24 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  58. 2026-08-06 13:44 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  59. 2026-08-05 19:15 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  60. 2026-08-05 09:35 UTCEG score recompute
  61. 2026-08-05 09:35 UTCGHSA enrichmentGHSA-24mj-3qxv-928j · GitHub CVSS 5.5
  62. 2026-08-04 15:07 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  63. 2026-08-04 11:17 UTCEG score recompute
  64. 2026-08-04 11:17 UTCGHSA enrichmentGHSA-24mj-3qxv-928j · GitHub CVSS 5.5
  65. 2026-08-04 10:35 UTCEPSS rescoreEPSS 0.2% · 15th percentile
  66. 2026-08-04 09:47 UTCEG score recompute
  67. 2026-08-04 09:47 UTCGHSA enrichmentGHSA-24mj-3qxv-928j · GitHub CVSS 5.5
  68. 2026-08-03 10:33 UTCEPSS rescoreEPSS 0.2% · 15th percentile
  69. 2026-08-02 02:24 UTCEPSS rescoreEPSS 0.2% · 15th percentile
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  71. 2026-07-30 16:25 UTCEPSS rescoreEPSS 0.2% · 15th percentile
  72. 2026-07-30 01:28 UTCEPSS rescoreEPSS 0.2% · 15th percentile
  73. 2026-07-28 15:34 UTCEPSS rescoreEPSS 0.2% · 15th percentile

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2022-49096?
CVE-2022-49096 is a medium-severity vulnerability; its CVE record was published on February 26, 2025. In the Linux kernel, the following vulnerability has been resolved: net: sfc: add missing xdp queue reinitialization After rx/tx ring buffer size is changed, kernel panic occurs when it acts XDP_TX or XDP_REDIRECT. When tx/rx ring buffer size is changed(ethtool -G), sfc driver reallocates and…
When was the CVE record for CVE-2022-49096 published?
The CVE record for CVE-2022-49096 was published on February 26, 2025. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of August 5, 2026; the record at its source may have been updated since.
Is CVE-2022-49096 actively exploited?
CVE-2022-49096 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (18th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2022-49096?
CVE-2022-49096 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2022-49096?
A fix for CVE-2022-49096 is available: update to the fixed version the vendor names in its advisory.

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