Name | CVE-2022-42720 |
Description | Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-free conditions to potentially execute code. |
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-3173-1, DSA-5257-1, ELA-723-1 |
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 | 6.1.106-3 | fixed | |
bookworm (security) | 6.1.112-1 | fixed | |
trixie | 6.10.11-1 | fixed | |
sid | 6.11.2-1 | fixed | |
linux-5.10 (PTS) | stretch (lts), stretch | 5.10.218-1~deb9u1 | fixed |
buster (security), buster, buster (lts) | 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 | (not affected) | |||
linux | source | bullseye | 5.10.149-1 | DSA-5257-1 | ||
linux | source | (unstable) | 6.0.2-1 | |||
linux-5.10 | source | stretch | 5.10.149-2~deb9u1 | ELA-723-1 | ||
linux-5.10 | source | buster | 5.10.149-2~deb10u1 | DLA-3173-1 |
[buster] - linux <not-affected> (Vulnerable code not present)
https://www.openwall.com/lists/oss-security/2022/10/13/2
https://lore.kernel.org/netdev/20221013100522.46346-1-johannes@sipsolutions.net/T/#u
https://github.com/PurpleVsGreen/beacown