CVE-2022-1055

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-03-30. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.8Exploit: Elevated riskExposed: 0

A fix is available — apply it.

A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
51(Track*)
EG Risk 51/100SSVC: 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
Severity78% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
41%
KEV
Not listed

Published

March 29, 2022

Last Modified

August 13, 2026

Advisory Details (5)

Auto-updated Jul 29, 2026
No patch confirmed yet.
generic

Packet Storm Security

http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html
generic

NetApp Product Security

https://security.netapp.com/advisory/ntap-20220506-0007/
generic

🐧🕺

https://kernel.dance/#04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
generic

KASAN: use-after-free Write in mini_qdisc_pair_swap (2)

https://syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffc
generic

net: sched: fix use-after-free in tc_new_tfilter() - kernel/git/torvalds/linux.git - Linux kernel source tree

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5

Vendor Advisories for CVE-2022-1055(5)

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

Patch Availability(10)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-headers-bluefield (5.4.0.1032.33) @ focal2026-05-26ubuntu
ubuntulinux-tools-5.13.0-1021-azure (5.13.0-1021.24~20.04.1) @ focal2026-05-26ubuntu
ubuntulinux-image-virtual-hwe-18.04-edge (5.4.0.107.121~18.04.92) @ bionic2026-05-26ubuntu
ubuntulinux-buildinfo-5.13.0-1024-raspi-nolpae (5.13.0-1024.26) @ impish2026-05-26ubuntu
ubuntulowlatency (5.15.0-25) @ jammy2026-05-26ubuntu
redhatkernel-0:4.18.0-372.95.1.el8_62024-03-06redhat
redhatkernel-rt-0:4.18.0-425.3.1.rt7.213.el82022-11-08redhat
redhatkernel-0:4.18.0-425.3.1.el82022-11-08redhat
redhatkernel-rt-0:5.14.0-70.22.1.rt21.94.el9_02022-08-09redhat
redhatkernel-0:5.14.0-70.22.1.el9_02022-08-09redhat

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 rangeFixed inDependents
linux5.10.103-1~bpo10+1 ... 5.10.92-2 (9 versions)5.10.103-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux—5.16.7-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux—5.16.7-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux—5.16.7-1—

Weakness Classification(1)

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

Additional Vendor Advisories

(7)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 6× in last 7d / 29× 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 155 total refreshes for this CVE.

  1. 2026-09-07 15:58 UTCEPSS rescore
  2. 2026-09-06 13:45 UTCEPSS rescore
  3. 2026-09-05 15:25 UTCEPSS rescore
  4. 2026-09-04 13:57 UTCEPSS rescore
  5. 2026-09-04 05:03 UTCEPSS rescore
  6. 2026-09-02 14:09 UTCEPSS rescore
  7. 2026-09-01 13:51 UTCEPSS rescore
  8. 2026-08-30 19:14 UTCEPSS rescore
  9. 2026-08-30 05:18 UTCOSV refresh
  10. 2026-08-30 01:19 UTCEPSS rescore
  11. 2026-08-28 21:38 UTCEPSS rescore
  12. 2026-08-27 14:22 UTCEPSS rescore
  13. 2026-08-26 14:43 UTCEPSS rescore
  14. 2026-08-25 13:46 UTCEPSS rescore
  15. 2026-08-24 14:13 UTCEPSS rescore
  16. 2026-08-21 23:46 UTCEPSS rescore
  17. 2026-08-20 22:52 UTCEPSS rescore
  18. 2026-08-19 17:01 UTCEPSS rescore
  19. 2026-08-18 13:45 UTCEPSS rescore
  20. 2026-08-17 13:44 UTCEPSS rescore
  21. 2026-08-16 14:53 UTCEPSS rescore
  22. 2026-08-16 02:11 UTCEPSS rescore
  23. 2026-08-15 01:27 UTCEPSS rescore
  24. 2026-08-13 21:57 UTCEPSS rescore
  25. 2026-08-13 19:33 UTCEG score recompute
Show 75 more
  1. 2026-08-13 19:33 UTCVendor advisory
  2. 2026-08-13 19:33 UTCGHSA enrichment
  3. 2026-08-12 13:48 UTCEPSS rescore
  4. 2026-08-11 13:38 UTCEPSS rescore
  5. 2026-08-09 13:44 UTCEPSS rescore
  6. 2026-08-08 16:34 UTCEPSS rescore
  7. 2026-08-07 16:24 UTCEPSS rescore
  8. 2026-08-06 13:44 UTCEPSS rescore
  9. 2026-08-05 19:15 UTCEPSS rescore
  10. 2026-08-04 15:06 UTCEPSS rescore
  11. 2026-08-04 10:34 UTCEPSS rescore
  12. 2026-08-03 10:33 UTCEPSS rescore
  13. 2026-08-02 02:24 UTCEPSS rescore
  14. 2026-08-01 04:13 UTCEPSS rescore
  15. 2026-07-30 16:25 UTCEPSS rescore
  16. 2026-07-30 01:28 UTCEPSS rescore
  17. 2026-07-29 14:20 UTCVendor advisory
  18. 2026-07-29 14:20 UTCGHSA enrichment
  19. 2026-07-29 13:59 UTCEG score recompute
  20. 2026-07-29 13:59 UTCVendor advisory
  21. 2026-07-29 13:59 UTCGHSA enrichment
  22. 2026-07-28 15:33 UTCEPSS rescore
  23. 2026-07-26 14:52 UTCEPSS rescore
  24. 2026-07-25 14:15 UTCEPSS rescore
  25. 2026-07-24 14:15 UTCEPSS rescore
  26. 2026-07-24 14:15 UTCEPSS rescore
  27. 2026-07-23 14:16 UTCEPSS rescore
  28. 2026-07-23 02:07 UTCEG score recompute
  29. 2026-07-22 22:53 UTCEG score recompute
  30. 2026-07-22 14:06 UTCEPSS rescore
  31. 2026-07-21 15:22 UTCEPSS rescore
  32. 2026-07-21 15:22 UTCEPSS rescore
  33. 2026-07-20 17:05 UTCEPSS rescore
  34. 2026-07-19 14:29 UTCEPSS rescore
  35. 2026-07-19 02:27 UTCEPSS rescore
  36. 2026-07-19 02:27 UTCEPSS rescore
  37. 2026-07-18 10:02 UTCEPSS rescore
  38. 2026-07-17 19:29 UTCOSV refresh
  39. 2026-07-16 17:00 UTCEPSS rescore
  40. 2026-07-16 17:00 UTCEPSS rescore
  41. 2026-07-15 16:55 UTCEPSS rescore
  42. 2026-07-15 01:58 UTCEPSS rescore
  43. 2026-07-15 01:58 UTCEPSS rescore
  44. 2026-07-13 22:27 UTCEPSS rescore
  45. 2026-07-13 06:11 UTCEPSS rescore
  46. 2026-07-13 06:11 UTCEPSS rescore
  47. 2026-07-12 05:44 UTCEPSS rescore
  48. 2026-07-11 08:25 UTCEPSS rescore
  49. 2026-07-09 19:07 UTCEPSS rescore
  50. 2026-07-09 19:07 UTCEPSS rescore
  51. 2026-07-08 15:12 UTCEPSS rescore
  52. 2026-07-08 15:12 UTCEPSS rescore
  53. 2026-07-07 13:43 UTCEPSS rescore
  54. 2026-07-06 16:25 UTCEPSS rescore
  55. 2026-07-06 16:25 UTCEPSS rescore
  56. 2026-07-06 02:21 UTCEPSS rescore
  57. 2026-07-06 02:21 UTCEPSS rescore
  58. 2026-07-05 02:28 UTCEPSS rescore
  59. 2026-07-05 02:28 UTCEPSS rescore
  60. 2026-07-04 06:29 UTCEPSS rescore
  61. 2026-07-04 06:29 UTCEPSS rescore
  62. 2026-07-01 15:04 UTCEPSS rescore
  63. 2026-06-30 23:20 UTCEPSS rescore
  64. 2026-06-29 17:02 UTCOSV refresh
  65. 2026-06-29 14:04 UTCEPSS rescore
  66. 2026-06-29 14:04 UTCEPSS rescore
  67. 2026-06-28 14:05 UTCEPSS rescore
  68. 2026-06-28 04:54 UTCEPSS rescore
  69. 2026-06-28 04:54 UTCEPSS rescore
  70. 2026-06-27 03:07 UTCEPSS rescore
  71. 2026-06-27 03:06 UTCEPSS rescore
  72. 2026-06-25 13:48 UTCEPSS rescore
  73. 2026-06-25 13:48 UTCEPSS rescore
  74. 2026-06-24 14:03 UTCEPSS rescore
  75. 2026-06-24 14:03 UTCEPSS rescore

Frequently asked(5)

What is CVE-2022-1055?
CVE-2022-1055 is a high vulnerability published on March 29, 2022. A use-after-free exists in the Linux Kernel in tcnewtfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
When was CVE-2022-1055 disclosed?
CVE-2022-1055 was first published in the National Vulnerability Database on March 29, 2022, with the most recent update on August 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-1055 actively exploited?
CVE-2022-1055 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 59.0% of all scored CVEs.
What is the CVSS score of CVE-2022-1055?
CVE-2022-1055 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2022-1055?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-1055, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-1055

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