CVE-2022-42896: Info Leak in l2cap_core in the Linux Kernel
First published: Wed Nov 23 2022(Updated: )
Last updated 29 November 2024
Credit: cve-coordination@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.1 | 6.1 |
| Linux Kernel | <4.9.335 | |
| Linux Kernel | >=4.10<4.14.301 | |
| Linux Kernel | >=4.15<4.19.268 | |
| Linux Kernel | >=4.20<5.4.226 | |
| Linux Kernel | >=5.5<5.10.154 | |
| Linux Kernel | >=5.11<5.15.78 | |
| Linux Kernel | >=5.16<6.0.8 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.13-1 | |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager | <=ISVG 10.0.2 |
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Reference Links
- https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4
- https://kernel.dance/#711f8c3fb3db61897080468586b970c87c61d9e4
- https://launchpad.net/bugs/cve/CVE-2022-42896
- https://github.com/google/security-research/security/advisories/GHSA-pf87-6c9q-jvm4
- https://github.com/torvalds/linux/commit/f937b758a188d6fd328a81367087eddbb2fce50f
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2148401
- https://access.redhat.com/errata/RHSA-2023:2148
- https://access.redhat.com/errata/RHSA-2023:2458
- https://access.redhat.com/errata/RHSA-2023:3462
- https://access.redhat.com/errata/RHSA-2023:3461
- https://access.redhat.com/errata/RHSA-2023:3517
- https://access.redhat.com/errata/RHSA-2023:4137
- https://access.redhat.com/errata/RHSA-2023:4138
- https://access.redhat.com/errata/RHSA-2023:4230
- https://access.redhat.com/errata/RHSA-2023:4541
- https://access.redhat.com/errata/RHSA-2023:4517
- https://access.redhat.com/errata/RHSA-2023:4531
- https://access.redhat.com/errata/RHSA-2023:4789
- https://access.redhat.com/errata/RHSA-2023:4888
- https://access.redhat.com/errata/RHSA-2023:5580
- https://access.redhat.com/errata/RHSA-2023:5588
- https://access.redhat.com/errata/RHSA-2023:5589
- https://access.redhat.com/errata/RHSA-2024:0980
- https://access.redhat.com/errata/RHSA-2024:1249
- https://access.redhat.com/errata/RHSA-2024:1323
- https://access.redhat.com/errata/RHSA-2024:1332
- https://access.redhat.com/errata/RHSA-2024:1746
- https://bugzilla.redhat.com/show_bug.cgi?id=2147364
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42896
- https://nvd.nist.gov/vuln/detail/CVE-2022-42896
- https://security-tracker.debian.org/tracker/CVE-2022-42896
- https://ubuntu.com/security/CVE-2022-42896
- https://git.kernel.org/linus/711f8c3fb3db61897080468586b970c87c61d9e4
- https://git.kernel.org/linus/f937b758a188d6fd328a81367087eddbb2fce50f
- https://www.ibm.com/support/pages/node/7172423 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2022-42896?
CVE-2022-42896 is a high-severity vulnerability that could allow remote code execution due to use-after-free vulnerabilities in the Linux Kernel.
How do I fix CVE-2022-42896?
To fix CVE-2022-42896, upgrade to versions 6.1 or higher of the Linux Kernel or apply vendor-specific patches for affected software.
Which versions of the Linux Kernel are affected by CVE-2022-42896?
CVE-2022-42896 affects various versions of the Linux Kernel from 4.10 up to, but not including, 6.1.
Can CVE-2022-42896 be exploited remotely?
Yes, CVE-2022-42896 can be exploited by remote attackers within the local network to execute arbitrary code.
What components are impacted by CVE-2022-42896?
CVE-2022-42896 impacts the Bluetooth stack, specifically the l2cap_connect and l2cap_le_connect_req functions in the Linux Kernel.
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