CVE-2022-42719
A use-after-free in the mac80211 stack when parsing a multi-BSSID element in the Linux kernel 5.2 through 5.19.x before 5.19.16 could be used by attackers (able to inject WLAN frames) to crash the kernel and potentially execute code.
02 / AFFECTED SOFTWARE
Affected packages
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In ieee802_11_parse_elems_crc of util.c, there is a possible use after free due to a logic error in the code. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
A use-after-free in the mac80211 stack when parsing a multi-BSSID element in the Linux kernel 5.2 through 5.19.x before 5.19.16 could be used by attackers (able to inject WLAN frames) to crash the kernel and potentially execute code.
05 / REFERENCES
Further evidence
- https://android.googlesource.com/kernel/common/+/0a861bd25dad5
- https://android.googlesource.com/kernel/common/+/0a8ee682e4f99
- https://android.googlesource.com/kernel/common/+/21df3a583e8e0
- https://android.googlesource.com/kernel/common/+/630060f117567
- https://android.googlesource.com/kernel/common/+/7d998f6b7365d
- https://android.googlesource.com/kernel/common/+/864f2d3482f4b
- https://android.googlesource.com/kernel/common/+/93a3a32554079
- https://android.googlesource.com/kernel/common/+/9a8ef2030510a
- https://android.googlesource.com/kernel/common/+/9e99ca59ed397
- https://android.googlesource.com/kernel/common/+/bfe29873454f3
- https://android.googlesource.com/kernel/common/+/d15bb1f6dabe1
- https://android.googlesource.com/kernel/common/+/de124365a7d2d
- https://android.googlesource.com/kernel/common/+/fee48f3bdd751
- https://android.googlesource.com/kernel/common/+/fff244e9171b2
- https://source.android.com/security/bulletin/2023-01-01
- http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.html
- http://www.openwall.com/lists/oss-security/2022/10/13/2
- http://www.openwall.com/lists/oss-security/2022/10/13/5
- https://bugzilla.suse.com/show_bug.cgi?id=1204051
- https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=ff05d4b45dd89b922578dac497dcabf57cf771c6
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GGHENNMLCWIQV2LLA56BJNFIUZ7WB4IY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2KTU5LFZNQS7YNGE56MT46VHMXL3DD2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VNN3VFQPECS6D4PS6ZWD7AFXTOSJDSSR/
- https://security.netapp.com/advisory/ntap-20230203-0008/
- https://www.debian.org/security/2022/dsa-5257