CVE-2026-52950

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — Patch released this week
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:

drm/xe/dma-buf: fix UAF with retry loop

Retry doesn't work here, since bo will be freed on error, leading to UAF. However, now that we do the alloc & init before the attach, we can now combine this as one unit and have the init do the alloc for us. This should make the retry safe.

Reported by Sashiko.

v2: Fix up the error unwind (CI)

(cherry picked from commit 479669418253e0f27f8cf5db01a731352ea592e7)

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
4%
KEV
Not listed

Published

June 24, 2026

Last Modified

July 22, 2026

Advisory Details (3)

Auto-updated Jun 28, 2026
No patch confirmed yet.
generic

drm/xe/dma-buf: fix UAF with retry loop - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/827062952ed9bdf4220466c1f05ce452d04bdedf
generic

drm/xe/dma-buf: fix UAF with retry loop - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/39fdac6be02eb7c3460518c1c4085f75f935c4ce
generic

drm/xe/dma-buf: fix UAF with retry loop - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/155a372a1cc50fa93387c5d3cdfd614a61e1afd1

Vendor Advisories for CVE-2026-52950(3)

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

Patch Availability(7)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-oem-7.0 (7.0.0-1009.9) @ resolute2026-07-26ubuntu
ubuntulinux-tools-oracle-7.0 (7.0.0-1008.8) @ resolute2026-07-26ubuntu
ubuntulinux-tools-azure-fde-7.0 (7.0.0-1009.9) @ resolute2026-07-26ubuntu
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-28.28) @ resolute2026-07-26ubuntu
ubuntulinux-virtual-hwe-24.04-edge (7.0.0-28.28~24.04.1) @ noble2026-07-26ubuntu
redhatkernel-0:5.14.0-687.30.1.el9_82026-07-24redhat
redhatkernel-0:6.12.0-211.37.1.el10_22026-07-21redhat

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.

Weakness Classification(2)

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

Additional Vendor Advisories

(5)

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 13× in last 7d / 79× 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.

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

Frequently asked(5)

What is CVE-2026-52950?
CVE-2026-52950 is a high vulnerability published on June 24, 2026. In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: fix UAF with retry loop Retry doesn't work here, since bo will be freed on error, leading to UAF. However, now that we do the alloc & init before the attach, we can now combine this as one unit and have the init do…
When was CVE-2026-52950 disclosed?
CVE-2026-52950 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-52950 actively exploited?
CVE-2026-52950 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 96.3% of all scored CVEs.
What is the CVSS score of CVE-2026-52950?
CVE-2026-52950 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-52950?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-52950, 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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