CVE-2022-3646: Linux Kernel BPF segment.c nilfs_attach_log_writer memory leak
First published: Fri Oct 21 2022(Updated: )
A vulnerability, which was classified as problematic, has been found in Linux Kernel. This issue affects the function nilfs_attach_log_writer of the file fs/nilfs2/segment.c of the component BPF. The manipulation leads to memory leak. The attack may be initiated remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-211961 was assigned to this vulnerability.
Credit: cna@vuldb.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| Debian Linux | =10.0 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.20-1 6.12.21-1 |
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Reference Links
- https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=d0d51a97063db4704a5ef6bc978dddab1636a306
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
- https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html
- https://vuldb.com/?id.211961
- https://launchpad.net/bugs/cve/CVE-2022-3646
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3646
- https://nvd.nist.gov/vuln/detail/CVE-2022-3646
- https://security-tracker.debian.org/tracker/CVE-2022-3646
- https://ubuntu.com/security/CVE-2022-3646
- https://git.kernel.org/linus/d0d51a97063db4704a5ef6bc978dddab1636a306
Frequently Asked Questions
What is the severity of CVE-2022-3646?
CVE-2022-3646 is classified as a problematic vulnerability, indicating a significant impact on the affected systems.
How do I fix CVE-2022-3646?
To fix CVE-2022-3646, update your Linux Kernel to versions 5.10.223-1, 5.10.226-1, 6.1.119-1, 6.1.123-1, 6.12.11-1 or 6.12.12-1.
What components are affected by CVE-2022-3646?
CVE-2022-3646 affects the BPF component in the Linux Kernel, specifically the nilfs_attach_log_writer function.
Can CVE-2022-3646 be exploited remotely?
Yes, CVE-2022-3646 can be exploited remotely, leading to a potential memory leak.
Which versions of Debian are impacted by CVE-2022-3646?
Debian GNU/Linux versions prior to the patched releases are impacted by CVE-2022-3646.
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