high
7
CWE
129
Advisory Published
Rejected
Updated

CVE-2024-41071: wifi: mac80211: Avoid address calculations via out of bounds array indexing

First published: Mon Jul 29 2024(Updated: )

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Avoid address calculations via out of bounds array indexing req-&gt;n_channels must be set before req-&gt;channels[] can be used. This patch fixes one of the issues encountered in [1]. [ 83.964255] UBSAN: array-index-out-of-bounds in net/mac80211/scan.c:364:4 [ 83.964258] index 0 is out of range for type 'struct ieee80211_channel *[]' [...] [ 83.964264] Call Trace: [ 83.964267] &lt;TASK&gt; [ 83.964269] dump_stack_lvl+0x3f/0xc0 [ 83.964274] __ubsan_handle_out_of_bounds+0xec/0x110 [ 83.964278] ieee80211_prep_hw_scan+0x2db/0x4b0 [ 83.964281] __ieee80211_start_scan+0x601/0x990 [ 83.964291] nl80211_trigger_scan+0x874/0x980 [ 83.964295] genl_family_rcv_msg_doit+0xe8/0x160 [ 83.964298] genl_rcv_msg+0x240/0x270 [...] [1] <a href="https://bugzilla.kernel.org/show_bug.cgi?id=218810">https://bugzilla.kernel.org/show_bug.cgi?id=218810</a>

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Affected SoftwareAffected VersionHow to fix
redhat/kernel<6.9.11
6.9.11
redhat/kernel<6.10
6.10
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

Remedy

https://git.kernel.org/stable/c/2663d0462eb32ae7c9b035300ab6b1523886c718

Remedy

https://git.kernel.org/stable/c/4f43a614b1b84f0d1e3c48cc541c3bfdf414a6d0

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2024-41071?

    CVE-2024-41071 has been classified with a severity rating that indicates it affects the integrity of the Linux kernel's memory management.

  • How do I fix CVE-2024-41071?

    To resolve CVE-2024-41071, upgrade to the patched versions of the Linux kernel as specified for your distribution.

  • Which Linux kernel versions are affected by CVE-2024-41071?

    CVE-2024-41071 impacts Linux kernel versions below 6.9.11 and certain earlier Debian kernel versions.

  • What type of vulnerability is CVE-2024-41071?

    CVE-2024-41071 is a vulnerability in the Linux kernel's mac80211 subsystem related to out-of-bounds array indexing.

  • Who issued the patch for CVE-2024-41071?

    The patch for CVE-2024-41071 was issued by the maintainers of the Linux kernel in response to identified security issues.

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