CVE-2022-50822

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2025-12-30. the CNA's CVSS baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:linux, epss, ghsa
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

A fix is available — apply it.

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

RDMA/restrack: Release MR restrack when delete

The MR restrack also needs to be released when delete it, otherwise it cause memory leak as the task struct won't be released.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

December 30, 2025

Last Modified

August 5, 2026

Advisory Details (4)

Auto-updated Aug 4, 2026
No patch confirmed yet.
generic

RDMA/restrack: Release MR restrack when delete - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/dac153f2802db1ad46207283cb9b2aae3d707a45
generic

RDMA/restrack: Release MR restrack when delete - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/8731cb5c7820bef577bab4ff17691fbf61c671cb
generic

RDMA/restrack: Release MR restrack when delete - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/37c90753079fc95d93cc31b79796dd2ae57ad018
generic

RDMA/restrack: Release MR restrack when delete - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/13586753ae55146269a6dc8b216f17d86b81560c

Vendor Advisories for CVE-2022-50822(4)

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

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatkernel-0:4.18.0-477.36.1.el8_82023-11-28redhat
redhatkernel-0:4.18.0-513.5.1.el8_92023-11-14redhat
redhatkernel-0:5.14.0-362.8.1.el9_32023-11-07redhat
linuxKernel @ 5.15.86—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 rangeFixed inDependents
linux5.10.103-1 ... 7.2~rc5-1~exp1 (498 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux—6.1.4-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux—6.1.4-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux—6.1.4-1—

Data Freshness Timeline

(refreshed 5× in last 7d / 25× 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 203 total refreshes for this CVE.

  1. 2026-09-16 14:05 UTCEPSS rescore
  2. 2026-09-16 05:11 UTCEPSS rescore
  3. 2026-09-15 03:07 UTCEPSS rescore
  4. 2026-09-14 04:20 UTCOSV refresh
  5. 2026-09-13 16:44 UTCEPSS rescore
  6. 2026-09-11 14:50 UTCEPSS rescore
  7. 2026-09-11 09:34 UTCEPSS rescore
  8. 2026-09-08 21:57 UTCEPSS rescore
  9. 2026-09-07 15:59 UTCEPSS rescore
  10. 2026-09-06 13:45 UTCEPSS rescore
  11. 2026-09-05 15:25 UTCEPSS rescore
  12. 2026-09-04 13:57 UTCEPSS rescore
  13. 2026-09-04 05:04 UTCEPSS rescore
  14. 2026-09-02 14:09 UTCEPSS rescore
  15. 2026-09-01 13:51 UTCEPSS rescore
  16. 2026-08-30 19:15 UTCEPSS rescore
  17. 2026-08-30 01:19 UTCEPSS rescore
  18. 2026-08-28 21:38 UTCEPSS rescore
  19. 2026-08-27 14:22 UTCEPSS rescore
  20. 2026-08-26 14:43 UTCEPSS rescore
  21. 2026-08-26 05:41 UTCOSV refresh
  22. 2026-08-25 13:46 UTCEPSS rescore
  23. 2026-08-23 00:17 UTCEPSS rescore
  24. 2026-08-21 23:46 UTCEPSS rescore
  25. 2026-08-20 22:53 UTCEPSS rescore
Show 75 more
  1. 2026-08-19 17:01 UTCEPSS rescore
  2. 2026-08-18 13:45 UTCEPSS rescore
  3. 2026-08-17 13:44 UTCEPSS rescore
  4. 2026-08-16 14:53 UTCEPSS rescore
  5. 2026-08-16 02:12 UTCEPSS rescore
  6. 2026-08-15 01:27 UTCEPSS rescore
  7. 2026-08-12 13:48 UTCEPSS rescore
  8. 2026-08-09 22:26 UTCEG score recompute
  9. 2026-08-09 22:26 UTCVendor advisory
  10. 2026-08-09 22:26 UTCGHSA enrichment
  11. 2026-08-09 13:44 UTCEPSS rescore
  12. 2026-08-09 13:44 UTCEPSS rescore
  13. 2026-08-08 04:37 UTCEG score recompute
  14. 2026-08-08 04:37 UTCVendor advisory
  15. 2026-08-08 04:37 UTCGHSA enrichment
  16. 2026-08-06 13:44 UTCEPSS rescore
  17. 2026-08-06 06:49 UTCEG score recompute
  18. 2026-08-06 06:49 UTCVendor advisory
  19. 2026-08-06 06:49 UTCGHSA enrichment
  20. 2026-08-05 19:15 UTCEPSS rescore
  21. 2026-08-05 09:16 UTCEG score recompute
  22. 2026-08-05 09:16 UTCVendor advisory
  23. 2026-08-05 09:16 UTCGHSA enrichment
  24. 2026-08-04 15:07 UTCEPSS rescore
  25. 2026-08-04 10:38 UTCEG score recompute
  26. 2026-08-04 10:38 UTCVendor advisory
  27. 2026-08-04 10:37 UTCGHSA enrichment
  28. 2026-08-04 10:35 UTCEPSS rescore
  29. 2026-08-04 09:22 UTCEG score recompute▲ 7.80
  30. 2026-08-04 09:22 UTCVendor advisory
  31. 2026-08-04 09:21 UTCGHSA enrichment
  32. 2026-08-04 09:20 UTCMITRE cvelistV5CVSS v3 → 7.8 · severity → HIGH
  33. 2026-08-03 10:33 UTCEPSS rescore
  34. 2026-08-02 02:24 UTCEPSS rescore
  35. 2026-08-01 04:13 UTCEPSS rescore
  36. 2026-08-01 04:13 UTCEPSS rescore
  37. 2026-07-30 16:25 UTCEPSS rescore
  38. 2026-07-30 01:28 UTCEPSS rescore
  39. 2026-07-28 15:34 UTCEPSS rescore
  40. 2026-07-27 03:09 UTCOSV refresh
  41. 2026-07-26 14:52 UTCEPSS rescore
  42. 2026-07-26 14:52 UTCEPSS rescore
  43. 2026-07-25 14:16 UTCEPSS rescore
  44. 2026-07-23 14:16 UTCEPSS rescore
  45. 2026-07-23 14:16 UTCEPSS rescore
  46. 2026-07-23 02:17 UTCEG score recompute
  47. 2026-07-22 23:04 UTCEG score recompute
  48. 2026-07-22 14:06 UTCEPSS rescore
  49. 2026-07-22 14:06 UTCEPSS rescore
  50. 2026-07-21 15:23 UTCEPSS rescore
  51. 2026-07-21 15:23 UTCEPSS rescore
  52. 2026-07-20 17:05 UTCEPSS rescore
  53. 2026-07-19 14:29 UTCEPSS rescore
  54. 2026-07-19 14:29 UTCEPSS rescore
  55. 2026-07-19 02:27 UTCEPSS rescore
  56. 2026-07-19 02:27 UTCEPSS rescore
  57. 2026-07-18 10:03 UTCEPSS rescore
  58. 2026-07-18 10:03 UTCEPSS rescore
  59. 2026-07-16 17:00 UTCEPSS rescore
  60. 2026-07-15 01:58 UTCEPSS rescore
  61. 2026-07-15 01:58 UTCEPSS rescore
  62. 2026-07-13 22:28 UTCEPSS rescore
  63. 2026-07-13 22:28 UTCEPSS rescore
  64. 2026-07-13 06:11 UTCEPSS rescore
  65. 2026-07-13 06:11 UTCEPSS rescore
  66. 2026-07-12 05:44 UTCEPSS rescore
  67. 2026-07-11 08:25 UTCEPSS rescore
  68. 2026-07-11 08:25 UTCEPSS rescore
  69. 2026-07-09 21:45 UTCOSV refresh
  70. 2026-07-09 19:08 UTCEPSS rescore
  71. 2026-07-08 15:13 UTCEPSS rescore
  72. 2026-07-07 13:44 UTCEPSS rescore
  73. 2026-07-06 16:25 UTCEPSS rescore
  74. 2026-07-06 02:21 UTCEPSS rescore
  75. 2026-07-05 02:28 UTCEPSS rescore

Frequently asked(5)

What is CVE-2022-50822?
CVE-2022-50822 is a high vulnerability published on December 30, 2025. In the Linux kernel, the following vulnerability has been resolved: RDMA/restrack: Release MR restrack when delete The MR restrack also needs to be released when delete it, otherwise it cause memory leak as the task struct won't be released.
When was CVE-2022-50822 disclosed?
CVE-2022-50822 was first published in the National Vulnerability Database on December 30, 2025, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-50822 actively exploited?
CVE-2022-50822 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 91.1% of all scored CVEs.
What is the CVSS score of CVE-2022-50822?
CVE-2022-50822 has a CVSS v4.0 base score of 7.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2022-50822?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-50822, 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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