CVE-2022-3239: Use After Free
First published: Tue Feb 22 2022(Updated: )
A flaw use after free in the Linux kernel video4linux driver was found in the way user triggers em28xx_usb_probe() for the Empia 28xx based TV cards. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:4.18.0-477.10.1.rt7.274.el8_8 | 0:4.18.0-477.10.1.rt7.274.el8_8 |
| redhat/kernel | <0:4.18.0-477.10.1.el8_8 | 0:4.18.0-477.10.1.el8_8 |
| redhat/kernel | <0:5.14.0-162.6.1.el9_1 | 0:5.14.0-162.6.1.el9_1 |
| redhat/kernel-rt | <0:5.14.0-162.6.1.rt21.168.el9_1 | 0:5.14.0-162.6.1.rt21.168.el9_1 |
| Linux Linux kernel | >=3.15<4.14.295 | |
| Linux Linux kernel | >=4.15<4.19.238 | |
| Linux Linux kernel | >=4.20<5.4.189 | |
| Linux Linux kernel | >=5.5<5.10.110 | |
| Linux Linux kernel | >=5.11<5.15.33 | |
| Linux Linux kernel | >=5.16<5.16.19 | |
| Linux Linux kernel | >=5.17<5.17.2 | |
| redhat/Linux kernel | <5.18 | 5.18 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.6-1 |
Remedy
To mitigate this issue, prevent module em28xx from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2022-3239 https://nvd.nist.gov/vuln/detail/CVE-2022-3239 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c08eadca1bdfa099e20a32f8fa4b52b2f672236d
- https://bugzilla.redhat.com/show_bug.cgi?id=2127985
- https://access.redhat.com/errata/RHSA-2023:2736
- https://access.redhat.com/errata/RHSA-2023:2951
- https://access.redhat.com/errata/RHSA-2022:8267
- https://access.redhat.com/errata/RHSA-2022:7933
- https://access.redhat.com/security/cve/cve-2022-3239
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c08eadca1bdfa099e20a32f8fa4b52b2f672236d
- https://security.netapp.com/advisory/ntap-20230214-0006/
- https://launchpad.net/bugs/cve/CVE-2022-3239
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2128001
- https://access.redhat.com/errata/RHSA-2024:0930
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3239
- https://nvd.nist.gov/vuln/detail/CVE-2022-3239
- https://security-tracker.debian.org/tracker/CVE-2022-3239
- https://ubuntu.com/security/CVE-2022-3239
- https://git.kernel.org/linus/c08eadca1bdfa099e20a32f8fa4b52b2f672236d
Parent vulnerabilities
(Appears in the following advisories)
- collector/redhat-cve
- collector/nvd-index
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- agent/severity
- agent/weakness
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2022-3239
- agent/software-canonical-lookup
- collector/mitre-cve
- source/MITRE
- collector/usn-cve
- source/Ubuntu
- collector/nvd-cve
- source/NVD
- collector/security-tracker-debian
- source/Debian
- agent/remedy
- agent/last-modified-date
- agent/softwarecombine
- agent/tags
- agent/description
- agent/event
- agent/references
- agent/trending
- package-manager/redhat
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/3.15
- version/linux linux kernel/4.15
- version/linux linux kernel/4.20
- version/linux linux kernel/5.5
- version/linux linux kernel/5.11
- version/linux linux kernel/5.16
- version/linux linux kernel/5.17
- package-manager/debian