CVE-2025-37823
HIGH severity · CVSS 7.8 · Use-after-free
7.8CVSS HIGH
Summary
In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too Similarly to the previous patch, we need to safe guard hfsc_dequeue() too. But for this one, we don't have a reliable reproducer.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/11bccb054c1462fb069219f8e98e97a5a730758e ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/11bccb054c1462fb069219f8e98e97a5a730758ePatch
- https://git.kernel.org/stable/c/2f46d14919c39528c6e540ebc43f90055993eedcPatch
- https://git.kernel.org/stable/c/68f256305ceb426d545a0dc31f83c2ab1d211a1ePatch
- https://git.kernel.org/stable/c/6ccbda44e2cc3d26fd22af54c650d6d5d801addfPatch
- https://git.kernel.org/stable/c/76c4c22c2437d3d3880efc0f62eca06ef078d290Patch
- https://git.kernel.org/stable/c/c6936266f8bf98a53f28ef9a820e6a501e946d09Patch
- https://git.kernel.org/stable/c/c6f035044104c6ff656f4565cd22938dc892528cPatch
- https://git.kernel.org/stable/c/da7936518996d290e2fcfcaf6cd7e15bfd87804aPatch