CVE-2024-26739
- Source
- https://cve.org/CVERecord?id=CVE-2024-26739
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-26739.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2024-26739
- Downstream
- Related
- Published
- 2024-04-03T17:00:24Z
- Modified
- 2026-08-12T03:30:47Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- net/sched: act_mirred: don't override retval if we already lost the skb
- Details
-
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.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26739.json" }- References
-
- https://git.kernel.org/stable/c/0117fe0a4615a7c8d30d6ebcbf87332fbe63e6fd
- https://git.kernel.org/stable/c/166c2c8a6a4dc2e4ceba9e10cfe81c3e469e3210
- https://git.kernel.org/stable/c/28cdbbd38a4413b8eff53399b3f872fd4e80db9d
- https://git.kernel.org/stable/c/9d3ef89b6a5e9f2e940de2cef3d543be0be8dec5
- https://git.kernel.org/stable/c/e873e8f7d03a2ee5b77fb1a305c782fed98e2754
- https://git.kernel.org/stable/c/f4e294bbdca8ac8757db436fc82214f3882fc7e7
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26739.json
- https://nvd.nist.gov/vuln/detail/CVE-2024-26739
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducede5cf1baf92cb785b90390db1c624948e70c8b8bdFixed0117fe0a4615a7c8d30d6ebcbf87332fbe63e6fdFixed9d3ef89b6a5e9f2e940de2cef3d543be0be8dec5Fixede873e8f7d03a2ee5b77fb1a305c782fed98e2754Fixed28cdbbd38a4413b8eff53399b3f872fd4e80db9dFixedf4e294bbdca8ac8757db436fc82214f3882fc7e7Fixed166c2c8a6a4dc2e4ceba9e10cfe81c3e469e3210
Linux / Kernel
Package
- Name
- Kernel