CVE-2022-50004

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 2025-06-18. 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-2022-55283 (ENISA EUVD) · GHSA-mpjj-88pq-258q (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:

xfrm: policy: fix metadata dst->dev xmit null pointer dereference

When we try to transmit an skb with metadata_dst attached (i.e. dst->dev == NULL) through xfrm interface we can hit a null pointer dereference[1] in xfrmi_xmit2() -> xfrm_lookup_with_ifid() due to the check for a loopback skb device when there's no policy which dereferences dst->dev unconditionally. Not having dst->dev can be interepreted as it not being a loopback device, so just add a check for a null dst_orig->dev.

With this fix xfrm interface's Tx error counters go up as usual.

[1] net-next calltrace captured via netconsole: BUG: kernel NULL pointer dereference, address: 00000000000000c0 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 7231 Comm: ping Kdump: loaded Not tainted 5.19.0+ #24 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-1.fc36 04/01/2014 RIP: 0010:xfrm_lookup_with_ifid+0x5eb/0xa60 Code: 8d 74 24 38 e8 26 a4 37 00 48 89 c1 e9 12 fc ff ff 49 63 ed 41 83 fd be 0f 85 be 01 00 00 41 be ff ff ff ff 45 31 ed 48 8b 03 80 c0 00 00 00 08 75 0f 41 80 bc 24 19 0d 00 00 01 0f 84 1e 02 RSP: 0018:ffffb0db82c679f0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffd0db7fcad430 RCX: ffffb0db82c67a10 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffb0db82c67a80 RBP: ffffb0db82c67a80 R08: ffffb0db82c67a14 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8fa449667dc8 R12: ffffffff966db880 R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000 FS: 00007ff35c83f000(0000) GS:ffff8fa478480000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000c0 CR3: 000000001ebb7000 CR4: 0000000000350ee0 Call Trace: xfrmi_xmit+0xde/0x460 ? tcf_bpf_act+0x13d/0x2a0 dev_hard_start_xmit+0x72/0x1e0 __dev_queue_xmit+0x251/0xd30 ip_finish_output2+0x140/0x550 ip_push_pending_frames+0x56/0x80 raw_sendmsg+0x663/0x10a0 ? try_charge_memcg+0x3fd/0x7a0 ? __mod_memcg_lruvec_state+0x93/0x110 ? sock_sendmsg+0x30/0x40 sock_sendmsg+0x30/0x40 __sys_sendto+0xeb/0x130 ? handle_mm_fault+0xae/0x280 ? do_user_addr_fault+0x1e7/0x680 ? kvm_read_and_reset_apf_flags+0x3b/0x50 __x64_sys_sendto+0x20/0x30 do_syscall_64+0x34/0x80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7ff35cac1366 Code: eb 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 72 c3 90 55 48 83 ec 30 44 89 4c 24 2c 4c 89 RSP: 002b:00007fff738e4028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fff738e57b0 RCX: 00007ff35cac1366 RDX: 0000000000000040 RSI: 0000557164e4b450 RDI: 0000000000000003 RBP: 0000557164e4b450 R08: 00007fff738e7a2c R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000040 R13: 00007fff738e5770 R14: 00007fff738e4030 R15: 0000001d00000001 Modules linked in: netconsole veth br_netfilter bridge bonding virtio_net [last unloaded: netconsole] CR2: 00000000000000c0

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.
Exploitation0.2% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's BOD 26-04 default: no one has published Automatable for this CVE, and CISA treats it as “no” for a CVE not in KEV.
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).
Exploitation none (no CISA value, KEV listing or exploit code on record) · Automatable no (CISA's BOD 26-04 default) · Technical impact total (CISA's BOD 26-04 default). EchelonGraph holds no SSVC assessment of this CVE from CISA: none of these inputs is from 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
16th
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 low or medium mission impact; Track* at high (mission-essential systems).CISA BOD 26-04: 14 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 low or medium mission impact; Track* at high (mission-essential systems).

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

Exploitation none (no CISA value, KEV listing or exploit code on record) · Automatable no (CISA's BOD 26-04 default) · Technical impact total (CISA's BOD 26-04 default). EchelonGraph holds no SSVC assessment of this CVE from CISA: none of these inputs is from 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)14 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's BOD 26-04 default) · Technical impact total (CISA's BOD 26-04 default). Where an input reads “CISA's BOD 26-04 default”, no one has published it for this CVE, and CISA's implementation guidance says: “If “Automatable” and “Technical Impact” information items about a CVE ID are not available and the CVE ID is not in the KEV Catalog, CISA will treat its values as “no” and “total,” respectively, until CISA or a third party provides metadata about the CVE ID. CISA will always provide the Vulnrichment data for a CVE ID listed in the KEV Catalog.” 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

June 18, 2025

Last Modified

November 14, 2025

References (4)

Vendor Advisories for CVE-2022-50004(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(2)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatkernel-0:5.14.0-362.8.1.el9_32023-11-07redhat
linuxKernel @ 5.10.140 (fixes >=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 ... 5.10.92-2 (18 versions)
  • every version up to 5.10.140-1: fixed in 5.10.140-1
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
linux—
  • every version up to 6.0.2-1: fixed in 6.0.2-1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
linux—
  • every version up to 6.0.2-1: fixed in 6.0.2-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
linux—
  • every version up to 6.0.2-1: fixed in 6.0.2-1
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 35× 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 96 of 185 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. 4 repeat rows among the latest 100 are merged into the row they repeat. The 89 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% · 16th percentile
  2. 2026-10-31 16:29 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  3. 2026-10-30 16:31 UTCEPSS rescoreEPSS 0.3% · 16th percentile
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  8. 2026-10-25 17:54 UTCEG score recompute
  9. 2026-10-25 16:29 UTCEPSS rescoreEPSS 0.3% · 16th percentile
  10. 2026-10-24 17:46 UTCEG score recompute
  11. 2026-10-24 17:46 UTCGHSA enrichmentGHSA-mpjj-88pq-258q · GitHub CVSS 5.5
  12. 2026-10-24 16:29 UTCEPSS rescoreEPSS 0.3% · 15th percentile
  13. 2026-10-23 16:29 UTCEPSS rescoreEPSS 0.3% · 15th percentile
  14. 2026-10-22 16:30 UTCEPSS rescoreEPSS 0.3% · 15th percentile
  15. 2026-10-21 16:29 UTCEPSS rescoreEPSS 0.2% · 14th percentile
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  18. 2026-10-18 16:29 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  19. 2026-10-18 08:19 UTCEG score recompute
  20. 2026-10-17 16:29 UTCEPSS rescoreEPSS 0.2% · 14th percentile
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  24. 2026-10-13 16:29 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  25. 2026-10-12 18:41 UTCEG score recompute
Show 71 more
  1. 2026-10-12 16:30 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  2. 2026-10-11 22:04 UTCEG score recompute
  3. 2026-10-11 13:45 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  4. 2026-10-10 19:57 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  5. 2026-10-09 20:05 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  6. 2026-10-08 17:05 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  7. 2026-10-07 23:45 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  8. 2026-10-06 15:14 UTCEPSS rescoreEPSS 0.2% · 14th percentile
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  10. 2026-10-04 23:19 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  11. 2026-10-03 14:23 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  12. 2026-10-02 11:11 UTCOSV refresh
  13. 2026-09-30 16:12 UTCEG score recompute
  14. 2026-09-30 15:01 UTCEPSS rescoreEPSS 0.2% · 14th percentile
  15. 2026-09-26 15:55 UTCEPSS rescoreEPSS 0.2% · 14th percentile
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  18. 2026-09-23 13:45 UTCEPSS rescoreEPSS 0.2% · 16th percentile
  19. 2026-09-20 20:13 UTCEPSS rescoreEPSS 0.2% · 16th percentile
  20. 2026-09-16 14:05 UTCEPSS rescoreEPSS 0.2% · 13th percentile
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  22. 2026-09-15 03:07 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  23. 2026-09-13 16:44 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  24. 2026-09-13 09:24 UTCOSV refresh
  25. 2026-09-11 14:50 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  26. 2026-09-11 09:34 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  27. 2026-09-08 21:57 UTCEPSS rescoreEPSS 0.2% · 13th percentile
  28. 2026-09-07 15:59 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  29. 2026-09-06 13:45 UTCEPSS rescoreEPSS 0.2% · 11th percentile
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  35. 2026-08-30 19:15 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  36. 2026-08-30 01:19 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  37. 2026-08-28 21:38 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  38. 2026-08-27 14:22 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  39. 2026-08-26 14:43 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  40. 2026-08-25 13:46 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  41. 2026-08-25 10:11 UTCOSV refresh
  42. 2026-08-23 00:17 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  43. 2026-08-21 23:46 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  44. 2026-08-20 22:53 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  45. 2026-08-19 17:01 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  46. 2026-08-18 13:45 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  47. 2026-08-17 13:44 UTCEPSS rescoreEPSS 0.2% · 11th percentile
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  54. 2026-08-09 02:52 UTCOSV refresh
  55. 2026-08-08 16:34 UTCEPSS rescoreEPSS 0.2% · 11th percentile
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  64. 2026-07-30 16:25 UTCEPSS rescoreEPSS 0.2% · 11th percentile
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  69. 2026-07-24 03:11 UTCOSV refresh
  70. 2026-07-23 14:16 UTCEPSS rescoreEPSS 0.2% · 11th percentile
  71. 2026-07-23 02:16 UTCEG score recompute

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2022-50004?
CVE-2022-50004 is a medium-severity vulnerability; its CVE record was published on June 18, 2025. In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: fix metadata dst->dev xmit null pointer dereference When we try to transmit an skb with metadata_dst attached (i.e. dst->dev == NULL) through xfrm interface we can hit a null pointer dereference[1] in xfrmi_xmit2() ->…
When was the CVE record for CVE-2022-50004 published?
The CVE record for CVE-2022-50004 was published on June 18, 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 November 14, 2025; the record at its source may have been updated since.
Is CVE-2022-50004 actively exploited?
CVE-2022-50004 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (16th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2022-50004?
CVE-2022-50004 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2022-50004?
A fix for CVE-2022-50004 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2022-50004 are linked in the Vendor Advisories panel on this page.

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