CVE-2026-43058
Description
In the Linux kernel, the following vulnerability has been resolved: media: vidtv: fix pass-by-value structs causing MSAN warnings vidtv_ts_null_write_into() and vidtv_ts_pcr_write_into() take their argument structs by value, causing MSAN to report uninit-value warnings. While only vidtv_ts_null_write_into() has triggered a report so far, both functions share the same issue. Fix by passing both structs by const pointer instead, avoiding the stack copy of the struct along with its MSAN shadow and origin metadata. The functions do not modify the structs, which is enforced by the const qualifier.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Linux kernel Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | 6.6.136 |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Windows Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 6.12.85-1 |
| sid | Fixed | 6.19.14-1 |
| forky | Fixed | 6.19.14-1 |
| bullseye | Affected | — |
| bookworm | Affected | — |
References
- https://git.kernel.org/stable/c/1b2820c8a9887981634020db19f1a2425558b88e
- https://git.kernel.org/stable/c/57b01d945ed68cebe486d495dadc4901a96d3aaa
- https://git.kernel.org/stable/c/5f8e73bde67e931468bc2a1860d78d72f0c6ba41
- https://git.kernel.org/stable/c/6d75a9ec5bdb8cf8382eaf8f8fe831ba7d58a9d4
- https://git.kernel.org/stable/c/be57e52e27c7cbfb400a8f255e475cbcff242baa
- https://git.kernel.org/stable/c/e3957eb26a3d570aefc6bb184fa8b8a1e9a4e508
- https://www.suse.com/security/cve/CVE-2026-43058.html
- https://security-tracker.debian.org/tracker/CVE-2026-43058
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43058
- https://git.kernel.org/stable/c/a73f84a30975e6c4ae06efd500d31c82564dba10
- https://git.kernel.org/stable/c/a876d72ceba7fe5444005239f363c105767e0ecf
- https://git.kernel.org/stable/c/c034d8094fee474eb94142c17643eee2919079b7
CWEs
CWE-476
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.