CVE-2022-42719: Use After Free
First published: Thu Oct 13 2022(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux kernel | >=5.2<5.4.219 | |
| Linux kernel | >=5.5<5.10.149 | |
| Linux kernel | >=5.11<5.15.74 | |
| Linux kernel | >=5.16<5.19.16 | |
| Linux kernel | >=6.0<6.0.2 | |
| Fedora | =35 | |
| Fedora | =36 | |
| Fedora | =37 | |
| Debian | =10.0 | |
| Debian | =11.0 | |
| Android | ||
| debian/linux | 5.10.223-1 5.10.234-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.17-1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- 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@lists.fedoraproject.org/message/GGHENNMLCWIQV2LLA56BJNFIUZ7WB4IY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S2KTU5LFZNQS7YNGE56MT46VHMXL3DD2/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VNN3VFQPECS6D4PS6ZWD7AFXTOSJDSSR/
- https://security.netapp.com/advisory/ntap-20230203-0008/
- https://www.debian.org/security/2022/dsa-5257
- https://launchpad.net/bugs/cve/CVE-2022-42719
- 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/VNN3VFQPECS6D4PS6ZWD7AFXTOSJDSSR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2KTU5LFZNQS7YNGE56MT46VHMXL3DD2/
- https://android.googlesource.com/kernel/common/+/9a8ef2030510a
- https://android.googlesource.com/kernel/common/+/0a861bd25dad5
- https://android.googlesource.com/kernel/common/+/9e99ca59ed397
- https://android.googlesource.com/kernel/common/+/bfe29873454f3
- https://android.googlesource.com/kernel/common/+/0a8ee682e4f99
- https://android.googlesource.com/kernel/common/+/fff244e9171b2
- https://android.googlesource.com/kernel/common/+/93a3a32554079
- https://android.googlesource.com/kernel/common/+/d15bb1f6dabe1
- https://android.googlesource.com/kernel/common/+/864f2d3482f4b
- https://android.googlesource.com/kernel/common/+/21df3a583e8e0
- https://android.googlesource.com/kernel/common/+/630060f117567
- https://android.googlesource.com/kernel/common/+/fee48f3bdd751
- https://android.googlesource.com/kernel/common/+/7d998f6b7365d
- https://android.googlesource.com/kernel/common/+/de124365a7d2d
- https://source.android.com/docs/security/bulletin/2023-01-01 (Advisory)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42719
- https://nvd.nist.gov/vuln/detail/CVE-2022-42719
- https://security-tracker.debian.org/tracker/CVE-2022-42719
- https://ubuntu.com/security/CVE-2022-42719
- 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
Frequently Asked Questions
What is the severity of CVE-2022-42719?
CVE-2022-42719 has a high severity due to its potential for allowing kernel crashes and code execution through a use-after-free vulnerability.
How do I fix CVE-2022-42719?
To fix CVE-2022-42719, you should update your Linux kernel to version 5.19.16 or later.
Which Linux kernel versions are affected by CVE-2022-42719?
CVE-2022-42719 affects Linux kernel versions from 5.2 up to 5.19.x before 5.19.16.
What are the possible impacts of exploiting CVE-2022-42719?
Exploiting CVE-2022-42719 could lead to a kernel crash and may allow attackers to execute arbitrary code.
Which distributions are impacted by CVE-2022-42719?
CVE-2022-42719 impacts several distributions including Google Android and various Debian and Fedora releases.
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/severity
- agent/weakness
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/references
- agent/last-modified-date
- agent/description
- agent/trending
- agent/source
- agent/event
- agent/author
- collector/android-source
- source/Android
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/tags
- collector/usn-cve
- source/Ubuntu
- collector/security-tracker-debian
- source/Debian
- collector/nvd-cve
- source/NVD
- collector/nvd-index
- vendor/google
- canonical/android
- package-manager/debian
- vendor/linux
- canonical/linux kernel
- version/linux kernel/5.2
- version/linux kernel/5.5
- version/linux kernel/5.11
- version/linux kernel/5.16
- version/linux kernel/6.0
- vendor/fedoraproject
- canonical/fedora
- version/fedora/35
- version/fedora/36
- version/fedora/37
- vendor/debian
- canonical/debian
- version/debian/10.0
- version/debian/11.0