CVE-2021-44879
In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.
- Score
- CVSS 3.1 5.5 Medium
- Status
- Modified - cve@mitre.org
- Published
- 2022-02-14
- Last modified
- 2026-10-14
- Weaknesses
- CWE-476
Affected products
- Linux Kernel (Linux)
- Ruggedcom Rst2428p (Siemens)
- Scalance Xc-300xr-300xc-400xr-500wgxr-500 Family (Siemens)
- Scalance Xcm-xrm-xch-xrh-300 Family (Siemens)
- Simatic S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
- Simatic S7-1500 Cpu 1518f-4 Pndp Mfp (Siemens)
- Simatic S7-1500 Tm Mfp - Gnulinux Subsystem (Siemens)
- Siplus S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3
- https://bugzilla.kernel.org/show_bug.cgi?id=215231
- https://lore.kernel.org/linux-f2fs-devel/20211206144421.3735-3-chao%40kernel.org/T/
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9056d6489f5a41cfbb67f719d2c0ce61ead72d9f
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-613116.html
