Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-43374

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: fix percpu use-after-free in remove_nh_grp_entry When removing a nexthop from a group, remove_nh_grp_entry() publishes the new group via rcu_assign_pointer() then immediately frees the removed entry's percpu stats with free_percpu(). However, the synchronize_net() grace period in the caller remove_nexthop_from_groups() runs after the free. RCU readers that entered before the publish still see the old group and ca
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:75e133d42861a5db9df08c75b042779bbab1a4aa1002a5fca9e3c95ae5b9f485
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv4/nexthop.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.9"},{"lessThan":"6.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqua…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ed80636945cde54278b3b050aa0fe8080f9e2623d6cc2bd75394749596c91553 · sha256:2e6dbf0d78cdcd5d… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv4/nexthop.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"abf4feaee6405f1441929c6ebe7a250f2cd170a7","status":"affected","version":"f4676ea74b8549cd88dbfe2a592ce4530039e61f","versionType":"git"},{"lessThan":"ab5ebab9664214ba41a7633cb4e72f128204f924","status":"affected","version":"f4676ea74b8549cd88dbfe2a592ce4530039e61f","versionType":"git"},{"lessThan":"9e08ad731862b22a87cc55f752e16d66cdc9e231","status":"affected","version":"f4676ea74b8549cd88dbfe2a592…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ed80636945cde54278b3b050aa0fe8080f9e2623d6cc2bd75394749596c91553 · sha256:2e6dbf0d78cdcd5d… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv4/nexthop.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.9"},{"lessThan":"6.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqua…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ed80636945cde54278b3b050aa0fe8080f9e2623d6cc2bd75394749596c91553 · sha256:2e6dbf0d78cdcd5d… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv4/nexthop.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"abf4feaee6405f1441929c6ebe7a250f2cd170a7","status":"affected","version":"f4676ea74b8549cd88dbfe2a592ce4530039e61f","versionType":"git"},{"lessThan":"ab5ebab9664214ba41a7633cb4e72f128204f924","status":"affected","version":"f4676ea74b8549cd88dbfe2a592ce4530039e61f","versionType":"git"},{"lessThan":"9e08ad731862b22a87cc55f752e16d66cdc9e231","status":"affected","version":"f4676ea74b8549cd88dbfe2a592…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ed80636945cde54278b3b050aa0fe8080f9e2623d6cc2bd75394749596c91553 · sha256:2e6dbf0d78cdcd5d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ed80636945cde54278b3b050aa0fe8080f9e2623d6cc2bd75394749596c91553 · sha256:2e6dbf0d78cdcd5d… · /containers/cna/metrics/0/cvssV3_1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/9e08ad731862b22a87cc55f752e16d66cdc9e231"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ed80636945cde54278b3b050aa0fe8080f9e2623d6cc2bd75394749596c91553 · sha256:2e6dbf0d78cdcd5d… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/ab5ebab9664214ba41a7633cb4e72f128204f924"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ed80636945cde54278b3b050aa0fe8080f9e2623d6cc2bd75394749596c91553 · sha256:2e6dbf0d78cdcd5d… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/abf4feaee6405f1441929c6ebe7a250f2cd170a7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ed80636945cde54278b3b050aa0fe8080f9e2623d6cc2bd75394749596c91553 · sha256:2e6dbf0d78cdcd5d… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/b2662e7593e94ae09b1cf7ee5f09160a3612bcb2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ed80636945cde54278b3b050aa0fe8080f9e2623d6cc2bd75394749596c91553 · sha256:2e6dbf0d78cdcd5d… · /containers/cna/references/3

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer