CVE-2024-56772

HIGHNVD 7.87.8
EchelonGraph scoreMEDIUM confidence

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

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2025-01-08. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, NVD CVSS v3
Trending — 4 sources updated this week

Also known asEUVD-2024-53415 (ENISA EUVD) · GHSA-v6xw-pf6j-mpfg (GitHub Security Advisories)Source: ENISA EUVD

7.8EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 7.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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

kunit: string-stream: Fix a UAF bug in kunit_init_suite()

In kunit_debugfs_create_suite(), if alloc_string_stream() fails in the kunit_suite_for_each_test_case() loop, the "suite->log = stream" has assigned before, and the error path only free the suite->log's stream memory but not set it to NULL, so the later string_stream_clear() of suite->log in kunit_init_suite() will cause below UAF bug.

Set stream pointer to NULL after free to fix it.

Unable to handle kernel paging request at virtual address 006440150000030d Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [006440150000030d] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: iio_test_gts industrialio_gts_helper cfg80211 rfkill ipv6 [last unloaded: iio_test_gts] CPU: 5 UID: 0 PID: 6253 Comm: modprobe Tainted: G B W N 6.12.0-rc4+ #458 Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST Hardware name: linux,dummy-virt (DT) pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : string_stream_clear+0x54/0x1ac lr : string_stream_clear+0x1a8/0x1ac sp : ffffffc080b47410 x29: ffffffc080b47410 x28: 006440550000030d x27: ffffff80c96b5e98 x26: ffffff80c96b5e80 x25: ffffffe461b3f6c0 x24: 0000000000000003 x23: ffffff80c96b5e88 x22: 1ffffff019cdf4fc x21: dfffffc000000000 x20: ffffff80ce6fa7e0 x19: 032202a80000186d x18: 0000000000001840 x17: 0000000000000000 x16: 0000000000000000 x15: ffffffe45c355cb4 x14: ffffffe45c35589c x13: ffffffe45c03da78 x12: ffffffb810168e75 x11: 1ffffff810168e74 x10: ffffffb810168e74 x9 : dfffffc000000000 x8 : 0000000000000004 x7 : 0000000000000003 x6 : 0000000000000001 x5 : ffffffc080b473a0 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000001 x1 : ffffffe462fbf620 x0 : dfffffc000000000 Call trace: string_stream_clear+0x54/0x1ac __kunit_test_suites_init+0x108/0x1d8 kunit_exec_run_tests+0xb8/0x100 kunit_module_notify+0x400/0x55c notifier_call_chain+0xfc/0x3b4 blocking_notifier_call_chain+0x68/0x9c do_init_module+0x24c/0x5c8 load_module+0x4acc/0x4e90 init_module_from_file+0xd4/0x128 idempotent_init_module+0x2d4/0x57c __arm64_sys_finit_module+0xac/0x100 invoke_syscall+0x6c/0x258 el0_svc_common.constprop.0+0x160/0x22c do_el0_svc+0x44/0x5c el0_svc+0x48/0xb8 el0t_64_sync_handler+0x13c/0x158 el0t_64_sync+0x190/0x194 Code: f9400753 d2dff800 f2fbffe0 d343fe7c (38e06b80) ---[ end trace 0000000000000000 ]--- Kernel panic - not syncing: Oops: Fatal exception

CVSS v3
7.8
EG Score
7.8HIGHmedium confidence
EG Risk
35
EG Risk 35/100

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)
Severity78% × 45%
Impact severity (EG Severity): CVSS 7.8 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 SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (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
0.2%
EPSS %ILE
9th
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 (7.8): severity, escalated by confirmed exploitation. This CVE's 7.8 is its impact severity (EG Severity), not escalated.

EG Severity
7.8 HIGHCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
EG Likelihood
0.2% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-27). 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 (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (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)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 Vulnrichment) · Technical impact total (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

January 8, 2025

Last Modified

February 10, 2025

Advisory Details (2)

Auto-updated Sep 27, 2026
Patch available.
Web page

kunit: string-stream: Fix a UAF bug in kunit_init_suite() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/39e21403c978862846fa68b7f6d06f9cca235194
Web page

kunit: string-stream: Fix a UAF bug in kunit_init_suite() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3213b92754b94dec6836e8b4d6ec7d224a805b61

Patch Availability(15)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntulinux-tools-lowlatency-hwe-24.04-edge (6.11.0-1011.12~24.04.1) @ noble2026-10-27ubuntu
ubuntulinux-tools-lowlatency-64k (6.11.0-1011.12) @ oracular2026-10-27ubuntu
ubuntulinux-tools-aws-edge (6.8.0-1027.29~22.04.1) @ jammy2026-10-27ubuntu
ubuntulinux-tools-gcp-edge (6.8.0-1028.30~22.04.1) @ jammy2026-10-27ubuntu
ubuntulinux-tools-raspi-realtime (6.8.0-2023.24) @ noble2026-10-27ubuntu
ubuntulinux-tools-raspi (6.8.0-1028.32) @ noble2026-10-27ubuntu
ubuntulinux-virtual (6.8.0-58.60) @ noble2026-10-27ubuntu
ubuntulinux-tools-oem-24.04b (6.11.0-1017.17) @ noble2026-10-27ubuntu
ubuntulinux-tools-raspi (6.11.0-1010.10) @ oracular2026-10-27ubuntu
ubuntulinux-tools-azure-nvidia (6.8.0-1014.15) @ noble2026-10-27ubuntu
ubuntulinux-virtual-hwe-24.04-edge (6.11.0-21.21) @ oracular2026-10-27ubuntu
ubuntulinux-virtual-hwe-22.04-edge (6.8.0-58.60~22.04.1) @ jammy2026-10-27ubuntu
ubuntulinux-tools-realtime-hwe-24.04 (6.8.1-1020.21) @ noble2026-10-27ubuntu
ubuntulinux-tools-gkeop-6.8 (6.8.0-1010.12) @ noble2026-10-27ubuntu
linuxKernel @ 6.12.4 (fixes >=6.7.0)—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

(2 across 2 ecosystems)
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
linux—
  • every version up to 6.12.5-1: fixed in 6.12.5-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
linux—
  • every version up to 6.12.5-1: fixed in 6.12.5-1
—

Weakness Classification(1)

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

All Vendor Advisories

(14)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 10× in last 7d / 40× 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 95 of 201 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. 5 repeat rows among the latest 100 are merged into the row they repeat. The 106 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-11-02 16:41 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  2. 2026-11-01 16:32 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  3. 2026-10-31 16:30 UTCEPSS rescoreEPSS 0.2% · 10th percentile
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  5. 2026-10-29 16:31 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  6. 2026-10-28 16:30 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  7. 2026-10-27 19:48 UTCEG score recompute
  8. 2026-10-27 19:48 UTCVendor advisory
  9. 2026-10-27 19:48 UTCGHSA enrichmentGHSA-v6xw-pf6j-mpfg · GitHub severity HIGH · GitHub CVSS 7.8
  10. 2026-10-27 16:30 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  11. 2026-10-25 16:54 UTCEG score recompute
  12. 2026-10-25 16:30 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  13. 2026-10-24 16:30 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  14. 2026-10-23 16:30 UTCEPSS rescoreEPSS 0.2% · 9th percentile
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  18. 2026-10-19 16:30 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  19. 2026-10-19 15:21 UTCEG score recompute
  20. 2026-10-19 15:21 UTCVendor advisory
  21. 2026-10-19 15:21 UTCGHSA enrichmentGHSA-v6xw-pf6j-mpfg · GitHub severity HIGH · GitHub CVSS 7.8
  22. 2026-10-18 16:30 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  23. 2026-10-18 05:58 UTCEG score recompute
  24. 2026-10-17 16:31 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  25. 2026-10-16 16:37 UTCEPSS rescoreEPSS 0.2% · 9th percentile
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  1. 2026-10-15 16:30 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  2. 2026-10-14 16:30 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  3. 2026-10-13 16:31 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  4. 2026-10-12 17:37 UTCEG score recompute
  5. 2026-10-12 16:31 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  6. 2026-10-11 21:03 UTCEG score recompute
  7. 2026-10-11 15:54 UTCEG score recompute
  8. 2026-10-11 13:46 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  9. 2026-10-10 19:58 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  10. 2026-10-09 20:05 UTCEPSS rescoreEPSS 0.2% · 9th percentile
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  16. 2026-10-03 14:24 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  17. 2026-10-03 02:40 UTCOSV refresh
  18. 2026-10-02 16:25 UTCEG score recompute
  19. 2026-10-01 19:48 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  20. 2026-09-30 15:02 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  21. 2026-09-28 13:50 UTCEPSS rescoreEPSS 0.2% · 9th percentile
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  28. 2026-09-18 19:26 UTCEPSS rescoreEPSS 0.2% · 10th percentile
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  31. 2026-09-15 03:08 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  32. 2026-09-14 00:19 UTCOSV refresh
  33. 2026-09-13 16:45 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  34. 2026-09-12 14:59 UTCEPSS rescoreEPSS 0.2% · 10th percentile
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  38. 2026-09-08 21:59 UTCEPSS rescoreEPSS 0.2% · 10th percentile
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  46. 2026-08-30 01:21 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  47. 2026-08-28 21:39 UTCEPSS rescoreEPSS 0.2% · 10th percentile
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  49. 2026-08-26 14:44 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  50. 2026-08-26 01:39 UTCOSV refresh
  51. 2026-08-25 13:47 UTCEPSS rescoreEPSS 0.2% · 10th percentile
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  65. 2026-08-10 23:58 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  66. 2026-08-09 18:10 UTCOSV refresh
  67. 2026-08-09 13:45 UTCEPSS rescoreEPSS 0.2% · 10th percentile
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Frequently asked(5)

What is CVE-2024-56772?
CVE-2024-56772 is a high-severity vulnerability; its CVE record was published on January 8, 2025. In the Linux kernel, the following vulnerability has been resolved: kunit: string-stream: Fix a UAF bug in kunit_init_suite() In kunit_debugfs_create_suite(), if alloc_string_stream() fails in the kunit_suite_for_each_test_case() loop, the "suite->log = stream" has assigned before, and the error…
When was the CVE record for CVE-2024-56772 published?
The CVE record for CVE-2024-56772 was published on January 8, 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 February 10, 2025; the record at its source may have been updated since.
Is CVE-2024-56772 actively exploited?
CVE-2024-56772 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (9th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2024-56772?
CVE-2024-56772 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2024-56772?
A fix for CVE-2024-56772 is available: update to the fixed version the vendor names in its advisory.

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