| Name | CVE-2021-3764 |
| Description | A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The highest threat from this vulnerability is to system availability. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2941-1, DSA-5096-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.237-1 | fixed |
| bookworm | 6.1.137-1 | fixed |
| bookworm (security) | 6.1.140-1 | fixed |
| trixie | 6.12.33-1 | fixed |
| trixie (security) | 6.12.31-1 | fixed |
| sid | 6.12.35-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[stretch] - linux <not-affected> (Vulnerability introduced later)
https://bugzilla.redhat.com/show_bug.cgi?id=1997467
https://git.kernel.org/linus/505d9dcb0f7ddf9d075e729523a33d38642ae680 (5.15-rc4)