VulnerabilityModified
CVE-2025-37823
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.
HIGH 7.8EPSS 0.21%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.21% probability · 11th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel · debian/debian linux
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- 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
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.