CVE-2013-7446

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2022-05-14. NVD baseline CVSS 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 5.3Exploit: None knownExposed: 0

A fix is available — apply it.

Use-after-free vulnerability in net/unix/af_unix.c in the Linux kernel before 4.3.3 allows local users to bypass intended AF_UNIX socket permissions or cause a denial of service (panic) via crafted epoll_ctl calls.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity53% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
47%
KEV
Not listed

Published

December 28, 2015

Last Modified

May 6, 2026

References (106)

Patch Availability(10)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-extra-3.19.0-49-generic (3.19.0-49.55~14.04.1) @ trusty2026-05-22ubuntu
ubuntulinux-image-extra-3.13.0-77-generic (3.13.0-77.121) @ trusty2026-05-22ubuntu
ubuntulinux-image-3.13.0-77-generic-lpae (3.13.0-77.121~precise1) @ precise2026-05-22ubuntu
ubuntulinux-image-3.2.0-98-powerpc64-smp (3.2.0-98.138) @ precise2026-05-22ubuntu
ubuntulinux-image-extra-4.2.0-27-generic (4.2.0-27.32~14.04.1) @ trusty2026-05-22ubuntu
ubuntulinux-image-3.2.0-1476-omap4 (3.2.0-1476.99) @ precise2026-05-22ubuntu
ubuntulinux-image-extra-3.16.0-60-generic (3.16.0-60.80~14.04.1) @ trusty2026-05-22ubuntu
ubuntulinux-image-3.19.0-49-powerpc64-smp (3.19.0-49.55) @ vivid2026-05-22ubuntu
ubuntulinux-image-4.2.0-1022-raspi2 (4.2.0-1022.29) @ wily2026-05-22ubuntu
ubuntulinux-image-4.2.0-27-generic (4.2.0-27.32) @ wily2026-05-22ubuntu

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

(7 across 7 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
linux—4.2.6-2—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux—4.2.6-2—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux—4.2.6-2—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux—4.2.6-2—
Debian:6.0(1)
PackageVulnerable rangeFixed inDependents
linux-2.62.6.32-30 ... 2.6.32-48squeeze9 (42 versions)2.6.32-48squeeze17—
Debian:7(1)
PackageVulnerable rangeFixed inDependents
linux3.2.41-2 ... 3.2.73-2 (53 versions)3.2.73-2+deb7u1—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
linux3.16.7-ckt11-1 ... 3.16.7-ckt9-3~deb8u1~bpo70+1 (18 versions)3.16.7-ckt20-1+deb8u1—

All Vendor Advisories

(10)

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 6× in last 7d / 21× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. 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. Most recent first.

Showing the most recent 100 of 126 total refreshes for this CVE.

  1. 2026-08-20 22:50 UTCEPSS rescore
  2. 2026-08-19 16:59 UTCEPSS rescore
  3. 2026-08-18 13:43 UTCEPSS rescore
  4. 2026-08-16 14:50 UTCEPSS rescore
  5. 2026-08-16 02:09 UTCEPSS rescore
  6. 2026-08-15 01:25 UTCEPSS rescore
  7. 2026-08-14 14:54 UTCOSV refresh
  8. 2026-08-09 13:42 UTCEPSS rescore
  9. 2026-08-08 16:31 UTCEPSS rescore
  10. 2026-08-07 16:21 UTCEPSS rescore
  11. 2026-08-06 13:42 UTCEPSS rescore
  12. 2026-08-05 19:12 UTCEPSS rescore
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  14. 2026-08-01 04:11 UTCEPSS rescore
  15. 2026-07-30 16:23 UTCEPSS rescore
  16. 2026-07-30 03:54 UTCOSV refresh
  17. 2026-07-30 01:26 UTCEPSS rescore
  18. 2026-07-28 15:31 UTCEPSS rescore
  19. 2026-07-23 14:14 UTCEPSS rescore
  20. 2026-07-23 01:11 UTCEG score recompute
  21. 2026-07-23 00:15 UTCEG score recompute
  22. 2026-07-22 21:53 UTCEG score recompute
  23. 2026-07-22 14:04 UTCEPSS rescore
  24. 2026-07-21 15:21 UTCEPSS rescore
  25. 2026-07-21 15:21 UTCEPSS rescore
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  1. 2026-07-20 17:03 UTCEPSS rescore
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  3. 2026-07-19 14:27 UTCEPSS rescore
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  5. 2026-07-19 02:25 UTCEPSS rescore
  6. 2026-07-18 10:00 UTCEPSS rescore
  7. 2026-07-16 16:58 UTCEPSS rescore
  8. 2026-07-15 16:54 UTCEPSS rescore
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  10. 2026-07-15 01:56 UTCEPSS rescore
  11. 2026-07-13 22:26 UTCEPSS rescore
  12. 2026-07-13 06:08 UTCEPSS rescore
  13. 2026-07-12 12:38 UTCOSV refresh
  14. 2026-07-12 05:42 UTCEPSS rescore
  15. 2026-07-09 19:05 UTCEPSS rescore
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  17. 2026-07-07 13:41 UTCEPSS rescore
  18. 2026-07-06 02:20 UTCEPSS rescore
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  20. 2026-07-05 02:26 UTCEPSS rescore
  21. 2026-07-04 06:27 UTCEPSS rescore
  22. 2026-07-02 15:21 UTCEPSS rescore
  23. 2026-07-01 15:02 UTCEPSS rescore
  24. 2026-06-30 23:19 UTCEPSS rescore
  25. 2026-06-29 14:02 UTCEPSS rescore
  26. 2026-06-28 14:03 UTCEPSS rescore
  27. 2026-06-28 04:53 UTCEPSS rescore
  28. 2026-06-28 04:53 UTCEPSS rescore
  29. 2026-06-27 03:05 UTCEPSS rescore
  30. 2026-06-25 13:47 UTCEPSS rescore
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  32. 2026-06-24 14:02 UTCEPSS rescore
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  34. 2026-06-23 21:30 UTCEPSS rescore
  35. 2026-06-23 21:30 UTCEPSS rescore
  36. 2026-06-23 18:20 UTCOSV refresh
  37. 2026-06-22 14:22 UTCEPSS rescore
  38. 2026-06-22 14:22 UTCEPSS rescore
  39. 2026-06-21 14:53 UTCEPSS rescore
  40. 2026-06-21 01:57 UTCEPSS rescore
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  42. 2026-06-19 19:23 UTCEPSS rescore
  43. 2026-06-18 17:49 UTCEPSS rescore
  44. 2026-06-18 17:49 UTCEPSS rescore
  45. 2026-06-17 17:49 UTCEPSS rescore
  46. 2026-06-17 17:49 UTCEPSS rescore
  47. 2026-06-16 17:49 UTCEPSS rescore
  48. 2026-06-16 17:49 UTCEPSS rescore
  49. 2026-06-16 17:49 UTCEPSS rescore
  50. 2026-06-15 17:44 UTCEPSS rescore
  51. 2026-06-14 23:14 UTCEPSS rescore
  52. 2026-06-13 22:57 UTCEPSS rescore
  53. 2026-06-12 23:08 UTCEPSS rescore
  54. 2026-06-11 13:56 UTCEPSS rescore
  55. 2026-06-10 22:15 UTCEPSS rescore
  56. 2026-06-10 13:18 UTCEPSS rescore
  57. 2026-06-08 14:14 UTCEPSS rescore
  58. 2026-06-07 15:22 UTCEPSS rescore
  59. 2026-06-07 01:29 UTCOSV refresh
  60. 2026-06-06 13:45 UTCEPSS rescore
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  62. 2026-06-05 22:44 UTCEPSS rescore
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  70. 2026-06-01 13:49 UTCEPSS rescore
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  72. 2026-05-31 22:28 UTCEPSS rescore
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  74. 2026-05-31 00:14 UTCEPSS rescore
  75. 2026-05-31 00:14 UTCEPSS rescore

Frequently asked(5)

What is CVE-2013-7446?
CVE-2013-7446 is a medium vulnerability published on December 28, 2015. Use-after-free vulnerability in net/unix/afunix.c in the Linux kernel before 4.3.3 allows local users to bypass intended AFUNIX socket permissions or cause a denial of service (panic) via crafted epoll_ctl calls.
When was CVE-2013-7446 disclosed?
CVE-2013-7446 was first published in the National Vulnerability Database on December 28, 2015, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2013-7446 actively exploited?
CVE-2013-7446 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 52.7% of all scored CVEs.
What is the CVSS score of CVE-2013-7446?
CVE-2013-7446 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2013-7446?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-7446, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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