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VULNERABILITIES

CVE-2024-26739 Details

Description

In the Linux kernel, the following vulnerability has been resolved: net/sched: act_mirred: don't override retval if we already lost the skb If we're redirecting the skb, and haven't called tcf_mirred_forward(), yet, we need to tell the core to drop the skb by setting the retcode to SHOT. If we have called tcf_mirred_forward(), however, the skb is out of our hands and returning SHOT will lead to UaF. Move the retval override to the error path which actually need it.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://git.kernel.org/stable/c/0117fe0a4615a7c8d30d6ebcbf87332fbe63e6fd kernel.orgPatch
https://git.kernel.org/stable/c/166c2c8a6a4dc2e4ceba9e10cfe81c3e469e3210 kernel.orgPatch
https://git.kernel.org/stable/c/28cdbbd38a4413b8eff53399b3f872fd4e80db9d kernel.orgPatch
https://git.kernel.org/stable/c/9d3ef89b6a5e9f2e940de2cef3d543be0be8dec5 kernel.orgPatch
https://git.kernel.org/stable/c/e873e8f7d03a2ee5b77fb1a305c782fed98e2754 kernel.orgPatch

see all 11 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-416Use After Free[email protected]

Affected Products

ProductVersions
debian debian linux
11.0

CPE

  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
linux linux kernel
>= 4.19, < 5.10.238
>= 5.11, < 5.15.182
>= 5.16, < 6.1.136
>= 6.2, < 6.6.19
>= 6.7, < 6.7.7

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

14 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2024-26739
NVD Published Date:
Apr 3, 2024
NVD Last Modified:
Aug 4, 2026
Source:
kernel.org
CVE-2024-26739 Details - Not Deferred