CVE-2022-42720CWE-416

CVE-2022-42720

High · published October 14, 2022

CVSS v3.1
7.8
EPSS
1%
Percentile
59.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00900 · 59.3th percentile
Weakness
CWE-416 · Use After Free
Published
2022-10-14T04:15Z
Affected products (9)
ProductVersionsFixed in
linux/linux_kernel≥ 5.1, < 5.4.2185.4.218
linux/linux_kernel≥ 5.5, < 5.10.1485.10.148
linux/linux_kernel≥ 5.11, < 5.15.745.15.74
linux/linux_kernel≥ 5.16, < 5.19.165.19.16
linux/linux_kernel≥ 6.0, < 6.0.26.0.2
fedoraproject/fedoraall versions—
fedoraproject/fedoraall versions—
debian/debian_linuxall versions—
debian/debian_linuxall versions—
References (21)
http://packetstormsecurity.com/files/169951/Kernel-Live-Patch-Security-Notice-LSN-0090-1.html · [email protected]http://www.openwall.com/lists/oss-security/2022/10/13/5 · [email protected]https://bugzilla.suse.com/show_bug.cgi?id=1204059 · [email protected]https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=0b7808818cb9df6680f98996b8e9a439fa7bcc2f · [email protected]https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html · [email protected]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GGHENNMLCWIQV2LLA56BJNFIUZ7WB4IY/ · [email protected]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2KTU5LFZNQS7YNGE56MT46VHMXL3DD2/ · [email protected]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VNN3VFQPECS6D4PS6ZWD7AFXTOSJDSSR/ · [email protected]https://security.netapp.com/advisory/ntap-20230203-0008/ · [email protected]https://www.debian.org/security/2022/dsa-5257 · [email protected]http://packetstormsecurity.com/files/169951/Kernel-Live-Patch-Security-Notice-LSN-0090-1.html · af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/10/13/5 · af854a3a-2127-422b-91ae-364da2661108https://bugzilla.suse.com/show_bug.cgi?id=1204059 · af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=0b7808818cb9df6680f98996b8e9a439fa7bcc2f · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html · af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GGHENNMLCWIQV2LLA56BJNFIUZ7WB4IY/ · af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2KTU5LFZNQS7YNGE56MT46VHMXL3DD2/ · af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VNN3VFQPECS6D4PS6ZWD7AFXTOSJDSSR/ · af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20230203-0008/ · af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5257 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-794697.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 13 OCT 00:00Z
    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…
    cvelistv5