| Name | CVE-2023-35788 |
| Description | An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets. This may result in denial of service or privilege escalation. |
| 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-3508-1, DLA-3623-1, DSA-5448-1, DSA-5480-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | buster | 4.19.249-2 | vulnerable |
| buster (security) | 4.19.304-1 | fixed | |
| bullseye | 5.10.209-2 | fixed | |
| bullseye (security) | 5.10.205-2 | fixed | |
| bookworm | 6.1.76-1 | fixed | |
| bookworm (security) | 6.1.85-1 | fixed | |
| sid, trixie | 6.7.12-1 | fixed | |
| linux-5.10 (PTS) | buster (security) | 5.10.209-2~deb10u1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | buster | 4.19.289-1 | DLA-3508-1 | ||
| linux | source | bullseye | 5.10.191-1 | DSA-5480-1 | ||
| linux | source | bookworm | 6.1.37-1 | DSA-5448-1 | ||
| linux | source | (unstable) | 6.3.7-1 | |||
| linux-5.10 | source | buster | 5.10.197-1~deb10u1 | DLA-3623-1 |
https://www.openwall.com/lists/oss-security/2023/06/07/1
https://git.kernel.org/linus/4d56304e5827c8cc8cc18c75343d283af7c4825c (6.4-rc5)