CVE-2026-43321

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Source
https://cve.org/CVERecord?id=CVE-2026-43321
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43321.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-43321
Downstream
Published
2026-05-08T13:26:15.600Z
Modified
2026-07-15T01:49:16.541858302Z
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: Properly mark live registers for indirect jumps
Details

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

bpf: Properly mark live registers for indirect jumps

For a gotox rX instruction the rX register should be marked as used in the computeinsnlive_regs() function. Fix this.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43321.json",
    "cna_assigner": "Linux"
}
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
493d9e0d608339a32f568504d5fd411a261bb0af
Fixed
7beae54111c34ca63357ef120e115889b915beb5
Fixed
d1aab1ca576c90192ba961094d51b0be6355a4d6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43321.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
6.19.6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43321.json"