CVE-2024-47737
Description
In the Linux kernel, the following vulnerability has been resolved: nfsd: call cache_put if xdr_reserve_space returns NULL If not enough buffer space available, but idmap_lookup has triggered lookup_fn which calls cache_get and returns successfully. Then we missed to call cache_put here which pairs with cache_get. Reviwed-by: Jeff Layton <jlayton@kernel.org>
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2024-47737
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2024-47737.html
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/e32ee6a61041925d1a05c14d10352dcfce9ef029
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/d078cbf5c38de83bc31f83c47dcd2184c04a50c7
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/a1afbbb5276f943ad7173d0b4c626b8c75a260da
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/9f03f0016ff797932551881c7e06ae50e9c39134
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/9803ab882d565a8fb2dde5999d98866d1c499dfd
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/8d0765f86135e27f0bb5c950c136495719b4c834
Vendor advisory: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 — https://git.kernel.org/stable/c/81821617312988096f5deccf0f7da6f888e98056
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 | 6.1.115-1 |
| debian | bullseye | fixed | 5.10.234-1 |
| debian | forky | fixed | 6.11.2-1 |
| debian | sid | fixed | 6.11.2-1 |
| debian | trixie | fixed | 6.11.2-1 |
| linux-kernel | affected | 5.10.227 |
References
- https://access.redhat.com/errata/RHSA-2025:6966
- https://git.kernel.org/stable/c/3e8081ebff12bec1347deaceb6bce0765cce54df
- https://git.kernel.org/stable/c/81821617312988096f5deccf0f7da6f888e98056
- https://git.kernel.org/stable/c/8d0765f86135e27f0bb5c950c136495719b4c834
- https://git.kernel.org/stable/c/9803ab882d565a8fb2dde5999d98866d1c499dfd
- https://git.kernel.org/stable/c/9f03f0016ff797932551881c7e06ae50e9c39134
- https://git.kernel.org/stable/c/a1afbbb5276f943ad7173d0b4c626b8c75a260da
- https://git.kernel.org/stable/c/c6b16e700cf4d959af524bd9d3978407ff7ce462
- https://git.kernel.org/stable/c/d078cbf5c38de83bc31f83c47dcd2184c04a50c7
- https://git.kernel.org/stable/c/e32ee6a61041925d1a05c14d10352dcfce9ef029
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-355557.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://www.suse.com/security/cve/CVE-2024-47737.html
- https://security-tracker.debian.org/tracker/CVE-2024-47737
CWEs
CWE-476
Verify integrity in audit chain (admin only). AS-IS.