What’s Vulnerable › Vulnerabilities
CVE-2022-28356
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2022-04-02 · updated 2026-06-17
Description
In the Linux kernel before 5.17.1, a refcount leak bug was found in net/llc/af_llc.c.
Affected products
- Debian Linux: 9.0, 10.0, 11.0
- Linux kernel: before 5.17.1 — fixed in 5.17.1
How to fix
Upgrade to a fixed version: Linux kernel 5.17.1. Check the vendor advisory for mitigations.
References
- http://www.openwall.com/lists/oss-security/2022/04/06/1
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.1
- https://github.com/torvalds/linux/commit/764f4eb6846f5475f1244767d24d25dd86528a4a
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
- https://security.netapp.com/advisory/ntap-20220506-0006/
- https://www.debian.org/security/2022/dsa-5127
- https://www.debian.org/security/2022/dsa-5173
- http://www.openwall.com/lists/oss-security/2022/04/06/1
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.1
- https://github.com/torvalds/linux/commit/764f4eb6846f5475f1244767d24d25dd86528a4a
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
- https://security.netapp.com/advisory/ntap-20220506-0006/
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