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CVE-2024-35962 Affecting kernel-rt-debug-modules-extra package, versions <0:5.14.0-427.33.1.el9_4

Severity

 Recommended
high

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.04% (12th percentile)

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  • Snyk ID SNYK-ALMALINUX9-KERNELRTDEBUGMODULESEXTRA-8332874
  • published 4 Nov 2024
  • disclosed 28 Aug 2024
Report a new vulnerability Found a mistake?

Introduced: 28 Aug 2024

CVE-2024-35962 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:9 kernel-rt-debug-modules-extra to version 0:5.14.0-427.33.1.el9_4 or higher.
This issue was patched in ALSA-2024:5928.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-modules-extra package and not the kernel-rt-debug-modules-extra package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

netfilter: complete validation of user input

In my recent commit, I missed that do_replace() handlers use copy_from_sockptr() (which I fixed), followed by unsafe copy_from_sockptr_offset() calls.

In all functions, we can perform the @optlen validation before even calling xt_alloc_table_info() with the following check:

if ((u64)optlen < (u64)tmp.size + sizeof(tmp)) return -EINVAL;

CVSS Scores

version 3.1
Expand this section

Red Hat

5.5 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

SUSE

5.5 medium