CVE Explorer

CVE-2026-63968

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible infinite loop in fib6_select_path() Found while auditing the same pattern Sashiko reported in rt6_fill_node() [1]. Apply the same fix as commit f8d8ce1b515a ("ipv6: fix possible infinite loop in fib6_info_uses_dev()"). Writers holding tb6_lock can list_del_rcu(&first->fib6_siblings) without waiting for RCU readers; first->fib6_siblings.next then still points into the old ring and this softirq-side walker ne

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f7ca0d36a18cb7d2987c1d6fcf5e8a850243603a712dd2c95ab45b17b040cbab

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv6/route.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.93","versionType":"semver"},{"lessThanOrEqual…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:85a42bb6b777ea6d96375b04d298e7cfa7af21aadeb080f4a310bd7ecbc6cd8c · sha256:2cf93251e35c9bcd… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv6/route.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"3948a7d92f7678e89e1776bb2d169afcad63b1ae","status":"affected","version":"d0ec61c9f3583b76aebdbb271f5c0d3fcccd48b2","versionType":"git"},{"lessThan":"c87cd3cb309634bc8f50a54e2079424f219ac21f","status":"affected","version":"52da02521ede55fb86546c3fffd9377b3261b91f","versionType":"git"},{"lessThan":"0f7b73c3452635de83b8711b31abdda8e49aad7b","status":"affected","version":"34a949e7a0869dfa31a40416d2a56…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:85a42bb6b777ea6d96375b04d298e7cfa7af21aadeb080f4a310bd7ecbc6cd8c · sha256:2cf93251e35c9bcd… · /containers/cna/affected/0

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:85a42bb6b777ea6d96375b04d298e7cfa7af21aadeb080f4a310bd7ecbc6cd8c · sha256:2cf93251e35c9bcd… · /containers/cna/affected/1

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:85a42bb6b777ea6d96375b04d298e7cfa7af21aadeb080f4a310bd7ecbc6cd8c · sha256:2cf93251e35c9bcd… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:85a42bb6b777ea6d96375b04d298e7cfa7af21aadeb080f4a310bd7ecbc6cd8c · sha256:2cf93251e35c9bcd… · /containers/cna/metrics/0/cvssV3_1

Source references

6 source assertions

{"url":"https://git.kernel.org/stable/c/0f7b73c3452635de83b8711b31abdda8e49aad7b"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:85a42bb6b777ea6d96375b04d298e7cfa7af21aadeb080f4a310bd7ecbc6cd8c · sha256:2cf93251e35c9bcd… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/3948a7d92f7678e89e1776bb2d169afcad63b1ae"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:85a42bb6b777ea6d96375b04d298e7cfa7af21aadeb080f4a310bd7ecbc6cd8c · sha256:2cf93251e35c9bcd… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/9b9d5bd6e3d4c9cecab5407604b690684b2532d2"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:85a42bb6b777ea6d96375b04d298e7cfa7af21aadeb080f4a310bd7ecbc6cd8c · sha256:2cf93251e35c9bcd… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/9c7da87c2dc860bb17ca1ece942495d28b1ce3b9"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:85a42bb6b777ea6d96375b04d298e7cfa7af21aadeb080f4a310bd7ecbc6cd8c · sha256:2cf93251e35c9bcd… · /containers/cna/references/5

{"url":"https://git.kernel.org/stable/c/ab9a10969a907b472a0196d999c08ff7144172e3"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:85a42bb6b777ea6d96375b04d298e7cfa7af21aadeb080f4a310bd7ecbc6cd8c · sha256:2cf93251e35c9bcd… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/c87cd3cb309634bc8f50a54e2079424f219ac21f"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:85a42bb6b777ea6d96375b04d298e7cfa7af21aadeb080f4a310bd7ecbc6cd8c · sha256:2cf93251e35c9bcd… · /containers/cna/references/1

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.

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