UBUNTU-CVE-2026-43395
In the Linux kernel, the following vulnerability has been resolved: drm/xe/sync: Cleanup partially initialized sync on parse failure xe_sync_entry_parse() can allocate references (syncobj, fence, chain fence, or user fence) before hitting a later failure path. Several of those paths returned directly, leaving partially initialized state and leaking refs. Route these error paths through a common free_sync label and call xe_sync_entry_cleanup(sync) before returning the error. (cherry picked from commit f939bdd9207a5d1fc55cced5459858480686ce22)
02 / AFFECTED SOFTWARE
Affected packages
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35 explicit affected versions
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16 explicit affected versions
3 explicit affected versions
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45 explicit affected versions
37 explicit affected versions
50 explicit affected versions
14 explicit affected versions
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9 explicit affected versions
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11 explicit affected versions
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6 explicit affected versions
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1 explicit affected versions
13 explicit affected versions
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45 explicit affected versions
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78 explicit affected versions
14 explicit affected versions
11 explicit affected versions
39 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: drm/xe/sync: Cleanup partially initialized sync on parse failure xe_sync_entry_parse() can allocate references (syncobj, fence, chain fence, or user fence) before hitting a later failure path. Several of those paths returned directly, leaving partially initialized state and leaking refs. Route these error paths through a common free_sync label and call xe_sync_entry_cleanup(sync) before returning the error. (cherry picked from commit f939bdd9207a5d1fc55cced5459858480686ce22)
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/1bfd7575092420ba5a0b944953c95b74a5646ff8
- https://git.kernel.org/stable/c/1bfd7575092420ba5a0b944953c95b74a5646ff8
- https://git.kernel.org/stable/c/91c228f96fcfacc2341a58815b1da8c69da94ebb
- https://git.kernel.org/stable/c/af65cd1853599394b94201c08bed7a46717db478
- https://git.kernel.org/stable/c/f0af63ffa06306f12592cd3919fad6957b425e1b
- https://ubuntu.com/security/CVE-2026-43395
- https://ubuntu.com/security/notices/USN-8567-1
- https://ubuntu.com/security/notices/USN-8574-1
- https://ubuntu.com/security/notices/USN-8574-2
- https://ubuntu.com/security/notices/USN-8574-3
- https://ubuntu.com/security/notices/USN-8595-1
- https://ubuntu.com/security/notices/USN-8595-2
- https://ubuntu.com/security/notices/USN-8595-3
- https://ubuntu.com/security/notices/USN-8596-1
- https://ubuntu.com/security/notices/USN-8606-1
- https://ubuntu.com/security/notices/USN-8607-1
- https://ubuntu.com/security/notices/USN-8608-1
- https://ubuntu.com/security/notices/USN-8609-1
- https://ubuntu.com/security/notices/USN-8619-1
- https://www.cve.org/CVERecord?id=CVE-2026-43395