CVE-2022-42720
- State
- Published
- Severity
- 7.8 High
- Published
- Oct 13, 2022
- Updated
- Oct 14, 2026
- Reserved
- Oct 10, 2022
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://bugzilla.suse.com/show_bug.cgi?id=1204059
- http://www.openwall.com/lists/oss-security/2022/10/13/5
- https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=0b7808818cb9df6680f98996b8e9a439fa7bcc2f
- FEDORA-2022-2cfbe17910vendor-advisory
- FEDORA-2022-b948fc3cfbvendor-advisory
- FEDORA-2022-1a5b125ac6vendor-advisory
- DSA-5257vendor-advisory
- [debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security updatemailing-list
- http://packetstormsecurity.com/files/169951/Kernel-Live-Patch-Security-Notice-LSN-0090-1.html
- https://security.netapp.com/advisory/ntap-20230203-0008/
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
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