CVE-2024-42312
Description
In the Linux kernel, the following vulnerability has been resolved: sysctl: always initialize i_uid/i_gid Always initialize i_uid/i_gid inside the sysfs core so set_ownership() can safely skip setting them. Commit 5ec27ec735ba ("fs/proc/proc_sysctl.c: fix the default values of i_uid/i_gid on /proc/sys inodes.") added defaults for i_uid/i_gid when set_ownership() was not implemented. It also missed adjusting net_ctl_set_ownership() to use the same default values in case the computation of a better value failed.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2024-42312
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2024-42312.html
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/ffde3af4b29bf97d62d82e1d45275587e10a991a
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/c7e2f43d182f5dde473389dbb39f16c9f0d64536
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/b2591c89a6e2858796111138c38fcb6851aa1955
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/98ca62ba9e2be5863c7d069f84f7166b45a5b2f4
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/34a86adea1f2b3c3f9d864c8cce09dca644601ab
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/1deae34db9f4f8e0e03f891be2e2e15c15c8ac05
Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2025:6966
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| sles | affected | | |
| debian | bookworm | fixed | 6.1.106-1 |
| debian | bullseye | fixed | 5.10.226-1 |
| debian | forky | fixed | 6.10.3-1 |
| debian | sid | fixed | 6.10.3-1 |
| debian | trixie | fixed | 6.10.3-1 |
| linux-kernel | affected | 4.10 |
References
- https://access.redhat.com/errata/RHSA-2025:6966
- https://git.kernel.org/stable/c/1deae34db9f4f8e0e03f891be2e2e15c15c8ac05
- https://git.kernel.org/stable/c/34a86adea1f2b3c3f9d864c8cce09dca644601ab
- https://git.kernel.org/stable/c/98ca62ba9e2be5863c7d069f84f7166b45a5b2f4
- https://git.kernel.org/stable/c/b2591c89a6e2858796111138c38fcb6851aa1955
- https://git.kernel.org/stable/c/c7e2f43d182f5dde473389dbb39f16c9f0d64536
- https://git.kernel.org/stable/c/ffde3af4b29bf97d62d82e1d45275587e10a991a
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://www.suse.com/security/cve/CVE-2024-42312.html
- https://security-tracker.debian.org/tracker/CVE-2024-42312
CWEs
CWE-908
Verify integrity in audit chain (admin only). AS-IS.