CVE-2026-93144

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Source

https://cve.org/CVERecord?id=CVE-2026-93144

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93144.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-93144

Downstream

Related

openSUSE-SU-2026:11893-1

Published

2026-09-17T16:11:42Z

Modified

2026-10-28T02:30:41Z

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

bpf: Reject writes through untrusted BTF pointers

Details

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

bpf: Reject writes through untrusted BTF pointers

check_ptr_to_btf_access() lets program-type btf_struct_access callbacks validate writes before the default BTF access path rejects non-read accesses. That bypasses the read-only policy for untrusted BTF pointers created by helpers such as bpf_rdonly_cast().

Reject non-read accesses through PTR_UNTRUSTED BTF pointers at the common entry point, before the callback branch to handle all cases.

Database specific

{
    "cna_assigner":  "Linux",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93144.json"
}

References

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: Introduced

282de143ead96a5d53331e946f31c977b4610a74

Fixed

56f92fecd80419567288b7972caa90107033836e

Fixed

c4dc883447ae38c4e22a29cc016046fa65d88994

Fixed

644cf4e77c2770d4246f6d12f99bc80d253b0ec6

Fixed

19d5566b84ca1af0256d0d0003e1a081580c3ba3

Fixed

ac65c710cc643cbc52b899627577357867249530

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93144.json"

Linux / Kernel

Package

Name: Kernel

Affected ranges

Type: ECOSYSTEM
Events: Introduced

6.2.0

Fixed

6.6.160

Type: ECOSYSTEM
Events: Introduced

6.7.0

Fixed

6.12.114

Type: ECOSYSTEM
Events: Introduced

6.13.0

Fixed

6.18.57

Type: ECOSYSTEM
Events: Introduced

6.19.0

Fixed

7.2.6

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93144.json"