CVE-2026-43370drm/amdgpu: Fix use-after-free race in VM acquire
- 7.8HighCVSS base score
- 0.12%Exploitation in 30 daysEPSS · top 98% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix use-after-free race in VM acquire Replace non-atomic vm->process_info assignment with cmpxchg() to prevent race when parent/child processes sharing a drm_file both try to acquire the same VM after fork(). (cherry picked from commit c7c573275ec20db05be769288a3e3bb2250ec618)
Timeline
ID reserved
By Linux
- 7 days later
· 7 days later
Published
- 5 months later
· 5 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.12% · top 98% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected ede0dd86f45adf2b7083bb161f6bc81da5fe2bad – < ae87aea330c24f462fc7058ed543ba8bc6798447
- affected ede0dd86f45adf2b7083bb161f6bc81da5fe2bad – < 46d309996bd9251792d7dafdbaf615cf202b4447
- affected ede0dd86f45adf2b7083bb161f6bc81da5fe2bad – < e61e355cbe49e585097eee28c15b862bfb1c0668
- affected ede0dd86f45adf2b7083bb161f6bc81da5fe2bad – < c658c1c85ec235b7ecfbf8dbfee385b1332088f4
- affected ede0dd86f45adf2b7083bb161f6bc81da5fe2bad – < 904025fa8bba1d028adade33346372b4ac1a9249
- affected ede0dd86f45adf2b7083bb161f6bc81da5fe2bad – < 7885eb335d8f9e9942925d57e300a85e3f82ded4
- affected ede0dd86f45adf2b7083bb161f6bc81da5fe2bad – < 94b7782d0c8024f5b88454241c8d4777076c3786
- affected ede0dd86f45adf2b7083bb161f6bc81da5fe2bad – < 2c1030f2e84885cc58bffef6af67d5b9d2e7098f
- affected 4.17
- unaffected < 4.17
- unaffected 5.10.253 – ≤ 5.10.*
- unaffected 5.15.203 – ≤ 5.15.*
- unaffected 6.1.167 – ≤ 6.1.*
- unaffected 6.6.130 – ≤ 6.6.*
- unaffected 6.12.78 – ≤ 6.12.*
- unaffected 6.18.19 – ≤ 6.18.*
- unaffected 6.19.9 – ≤ 6.19.*
- unaffected 7.0 – ≤ *
References
References8
- https://git.kernel.org/stable/c/ae87aea330c24f462fc7058ed543ba8bc6798447 (opens in a new tab)
- https://git.kernel.org/stable/c/46d309996bd9251792d7dafdbaf615cf202b4447 (opens in a new tab)
- https://git.kernel.org/stable/c/e61e355cbe49e585097eee28c15b862bfb1c0668 (opens in a new tab)
- https://git.kernel.org/stable/c/c658c1c85ec235b7ecfbf8dbfee385b1332088f4 (opens in a new tab)
- https://git.kernel.org/stable/c/904025fa8bba1d028adade33346372b4ac1a9249 (opens in a new tab)
- https://git.kernel.org/stable/c/7885eb335d8f9e9942925d57e300a85e3f82ded4 (opens in a new tab)
- https://git.kernel.org/stable/c/94b7782d0c8024f5b88454241c8d4777076c3786 (opens in a new tab)
- https://git.kernel.org/stable/c/2c1030f2e84885cc58bffef6af67d5b9d2e7098f (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-28676 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-43370)Record last updated .