| Name | CVE-2022-42896 |
| Description | There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim. We recommend upgrading past commit https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url |
| 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-3244-1, DLA-3245-1, ELA-774-1, ELA-776-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | jessie, jessie (lts) | 3.16.84-1 | vulnerable |
| stretch (security) | 4.9.320-2 | vulnerable | |
| stretch (lts), stretch | 4.9.320-3 | vulnerable | |
| buster (security), buster, buster (lts) | 4.19.316-1 | fixed | |
| bullseye | 5.10.223-1 | fixed | |
| bullseye (security) | 5.10.226-1 | fixed | |
| bookworm | 6.1.115-1 | fixed | |
| bookworm (security) | 6.1.112-1 | fixed | |
| trixie | 6.11.7-1 | fixed | |
| sid | 6.11.9-1 | fixed | |
| linux-4.19 (PTS) | jessie, jessie (lts) | 4.19.316-1~deb8u1 | fixed |
| stretch (security) | 4.19.232-1~deb9u1 | vulnerable | |
| stretch (lts), stretch | 4.19.316-1~deb9u1 | fixed | |
| linux-5.10 (PTS) | stretch (lts), stretch | 5.10.226-1~deb9u1 | fixed |
| buster, buster (lts) | 5.10.226-1~deb10u1 | fixed | |
| buster (security) | 5.10.218-1~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 | jessie | (unfixed) | end-of-life | ||
| linux | source | stretch | (unfixed) | end-of-life | ||
| linux | source | buster | 4.19.269-1 | DLA-3245-1 | ||
| linux | source | bullseye | 5.10.158-1 | |||
| linux | source | (unstable) | 6.0.10-1 | |||
| linux-4.19 | source | jessie | 4.19.269-1~deb8u1 | ELA-776-1 | ||
| linux-4.19 | source | stretch | 4.19.269-1~deb9u1 | ELA-776-1 | ||
| linux-5.10 | source | stretch | 5.10.158-2~deb9u1 | ELA-774-1 | ||
| linux-5.10 | source | buster | 5.10.158-2~deb10u1 | DLA-3244-1 |
https://git.kernel.org/linus/711f8c3fb3db61897080468586b970c87c61d9e4
https://git.kernel.org/linus/f937b758a188d6fd328a81367087eddbb2fce50f
https://github.com/google/security-research/security/advisories/GHSA-pf87-6c9q-jvm4