CVE-2025-37823

7.8 high SSVC exploitation: none Modified

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.

Fix

Patch, vendor advisory and mitigation references on NVD 8

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

2026-10-15 22:35First seenCVSS 7.8 · linux, debianNVD modified 2026-10-15 22:18

Affected (CPE criteria) 10

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

References 10

https://git.kernel.org/stable/c/11bccb054c1462fb069219f8e98e97a5a730758e Patch
https://git.kernel.org/stable/c/2f46d14919c39528c6e540ebc43f90055993eedc Patch
https://git.kernel.org/stable/c/68f256305ceb426d545a0dc31f83c2ab1d211a1e Patch
https://git.kernel.org/stable/c/6ccbda44e2cc3d26fd22af54c650d6d5d801addf Patch
https://git.kernel.org/stable/c/76c4c22c2437d3d3880efc0f62eca06ef078d290 Patch
https://git.kernel.org/stable/c/c6936266f8bf98a53f28ef9a820e6a501e946d09 Patch
https://git.kernel.org/stable/c/c6f035044104c6ff656f4565cd22938dc892528c Patch
https://git.kernel.org/stable/c/da7936518996d290e2fcfcaf6cd7e15bfd87804a Patch
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html Mailing List, Third Party Advisory