CVE Explorer

CVE-2026-23138

In the Linux kernel, the following vulnerability has been resolved: tracing: Add recursion protection in kernel stack trace recording A bug was reported about an infinite recursion caused by tracing the rcu events with the kernel stack trace trigger enabled. The stack trace code called back into RCU which then called the stack trace again. Expand the ftrace recursion protection to add a set of bits to protect events from recursion. Each bit represents the context that the event is in (normal,

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f9e45549ef6c54517154b29a9fdbb109f866cdcc1e6a7dfbf58511afdd842e86

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":["include/linux/trace_recursion.h","kernel/trace/trace.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.8"},{"lessThan":"5.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.6","vers…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d0fd639deb153d8869fa7cfe7b91b7c353601524a40b94c532a6a891dd5543ce · sha256:f4d8077101a087c0… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/linux/trace_recursion.h","kernel/trace/trace.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"9b03768037d91ce727effb1c5d92d2c7781bf692","status":"affected","version":"5f5fa7ea89dc82d34ed458f4d7a8634e8e9eefce","versionType":"git"},{"lessThan":"19e18e6dabb1bbba76d2809ca7d8ae9e1f5975fe","status":"affected","version":"5f5fa7ea89dc82d34ed458f4d7a8634e8e9eefce","versionType":"git"},{"lessThan":"5b7f91acffd2c4c000971553d22efa1e1bb4feae","status":"affected","v…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d0fd639deb153d8869fa7cfe7b91b7c353601524a40b94c532a6a891dd5543ce · sha256:f4d8077101a087c0… · /containers/cna/affected/0

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d0fd639deb153d8869fa7cfe7b91b7c353601524a40b94c532a6a891dd5543ce · sha256:f4d8077101a087c0… · /containers/cna/affected/1

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d0fd639deb153d8869fa7cfe7b91b7c353601524a40b94c532a6a891dd5543ce · sha256:f4d8077101a087c0… · /containers/cna/affected/0

Source references

4 source assertions

{"url":"https://git.kernel.org/stable/c/19e18e6dabb1bbba76d2809ca7d8ae9e1f5975fe"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d0fd639deb153d8869fa7cfe7b91b7c353601524a40b94c532a6a891dd5543ce · sha256:f4d8077101a087c0… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/5b7f91acffd2c4c000971553d22efa1e1bb4feae"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d0fd639deb153d8869fa7cfe7b91b7c353601524a40b94c532a6a891dd5543ce · sha256:f4d8077101a087c0… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/5f1ef0dfcb5b7f4a91a9b0e0ba533efd9f7e2cdb"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d0fd639deb153d8869fa7cfe7b91b7c353601524a40b94c532a6a891dd5543ce · sha256:f4d8077101a087c0… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/9b03768037d91ce727effb1c5d92d2c7781bf692"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d0fd639deb153d8869fa7cfe7b91b7c353601524a40b94c532a6a891dd5543ce · sha256:f4d8077101a087c0… · /containers/cna/references/0

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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