CVE-2024-35937: wifi: cfg80211: check A-MSDU format more carefully
First published: Sun May 19 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: check A-MSDU format more carefully If it looks like there's another subframe in the A-MSDU but the header isn't fully there, we can end up reading data out of bounds, only to discard later. Make this a bit more careful and check if the subframe header can even be present.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.6.27 | 6.6.27 |
| redhat/kernel | <6.8.6 | 6.8.6 |
| redhat/kernel | <6.9 | 6.9 |
| Linux Kernel | <6.6.27 | |
| Linux Kernel | >=6.7<6.8.6 | |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Software Stack | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Virtual Appliance | <=ISVG 10.0.2 | |
| IBM Security Verify Governance Identity Manager Container | <=ISVG 10.0.2 | |
| debian/linux | <=5.10.223-1<=5.10.234-1 | 6.1.129-1 6.1.128-1 6.12.21-1 6.12.22-1 |
| debian/linux-6.1 | 6.1.129-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/16da1e1dac23be45ef6e23c41b1508c400e6c544
- https://git.kernel.org/stable/c/5d7a8585fbb31e88fb2a0f581b70667d3300d1e9
- https://git.kernel.org/stable/c/9ad7974856926129f190ffbe3beea78460b3b7cc
- https://launchpad.net/bugs/cve/CVE-2024-35937
- https://access.redhat.com/security/cve/CVE-2024-35937
- https://lore.kernel.org/linux-cve-announce/2024051918-CVE-2024-35937-0415@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2281822
- https://access.redhat.com/errata/RHSA-2024:4740
- https://access.redhat.com/errata/RHSA-2024:5102
- https://access.redhat.com/errata/RHSA-2024:5101
- https://access.redhat.com/errata/RHSA-2024:5365
- https://access.redhat.com/errata/RHSA-2024:5364
- https://access.redhat.com/errata/RHSA-2024:5363
- https://bugzilla.redhat.com/show_bug.cgi?id=2281821
- https://git.kernel.org/stable/c/9eb3bc0973d084423a6df21cf2c74692ff05647e
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-35937
- https://nvd.nist.gov/vuln/detail/CVE-2024-35937
- https://security-tracker.debian.org/tracker/CVE-2024-35937
- https://ubuntu.com/security/CVE-2024-35937
- https://git.kernel.org/linus/9ad7974856926129f190ffbe3beea78460b3b7cc
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-35937?
CVE-2024-35937 has been classified with medium severity due to potential data out-of-bounds access.
How do I fix CVE-2024-35937?
To remediate CVE-2024-35937, update the kernel to versions 6.6.27 or above for Red Hat systems, or apply the appropriate updates for Debian as specified.
What software is affected by CVE-2024-35937?
CVE-2024-35937 affects multiple kernel versions in both Red Hat and Debian distributions.
What type of vulnerability is CVE-2024-35937?
CVE-2024-35937 is a vulnerability related to the processing of A-MSDU subframes in the Linux kernel.
Is there a patch available for CVE-2024-35937?
Yes, patches are available through system updates for the affected kernel versions.
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