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High 7.8Published May 8, 2026
CVE-2026-43321bpf: Properly mark live registers for indirect jumps
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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 compute_insn_live_regs() function. Fix this.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Analyzed
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | 493d9e0d608339a32f568504d5fd411a261bb0af builds before 7beae54111c34ca63357ef120e115889b915beb5; from 493d9e0d608339a32f568504d5fd411a261bb0af before d1aab1ca576c90192ba961094d51b0be6355a4d6 | CNA record |
linux linux_kernel linux:linux_kernel | from 6.19 before 6.19.6; 7.0; 7.0; 7.0; 7.0; 7.0; 7.0; 7.0 | NVD |
References
- https://git.kernel.org/stable/c/7beae54111c34ca63357ef120e115889b915beb5patch
- https://git.kernel.org/stable/c/d1aab1ca576c90192ba961094d51b0be6355a4d6patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.