Home

Description

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix preempt count leak in napi poll tracepoint Using get_cpu() in the tracepoint assignment causes an obvious preempt count leak because nothing invokes put_cpu() to undo it: softirq: huh, entered softirq 3 NET_RX with preempt_count 00000100, exited with 00000101? This clearly has seen a lot of testing in the last 3+ years... Use smp_processor_id() instead.

PUBLISHED Reserved 2026-01-13 | Published 2026-03-25 | Updated 2026-05-11 | Assigner Linux

Product status

Default status
unaffected

6d4d584a7ea8fc8d2be77545cb503118c193738a (git) before fa5d5baf67f619c7aa70697a194b5a9edd9f5bb7
affected

6d4d584a7ea8fc8d2be77545cb503118c193738a (git) before b7e91827e1cf89cd34ad11dc8f8c010b70ab786e
affected

6d4d584a7ea8fc8d2be77545cb503118c193738a (git) before 9e0f091821571f0da387462803ee42f0bb157582
affected

6d4d584a7ea8fc8d2be77545cb503118c193738a (git) before dca4ea596a3b0a1b82bc1d9f3e4d88bd9ad9561f
affected

6d4d584a7ea8fc8d2be77545cb503118c193738a (git) before 4b3d54a85bd37ebf2d9836f0d0de775c0ff21af9
affected

Default status
affected

6.2
affected

Any version before 6.2
unaffected

6.6.136 (semver)
unaffected

6.12.77 (semver)
unaffected

6.18.17 (semver)
unaffected

6.19.7 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/fa5d5baf67f619c7aa70697a194b5a9edd9f5bb7

git.kernel.org/...c/b7e91827e1cf89cd34ad11dc8f8c010b70ab786e

git.kernel.org/...c/9e0f091821571f0da387462803ee42f0bb157582

git.kernel.org/...c/dca4ea596a3b0a1b82bc1d9f3e4d88bd9ad9561f

git.kernel.org/...c/4b3d54a85bd37ebf2d9836f0d0de775c0ff21af9

cve.org (CVE-2026-23313)

nvd.nist.gov (CVE-2026-23313)

Download JSON