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CVE-2026-45957

In the Linux kernel, the following vulnerability has been resolved: rcu: Fix rcu_read_unlock() deadloop due to softirq Commit 5f5fa7ea89dc ("rcu: Don't use negative nesting depth in __rcu_read_unlock()") removes the recursion-protection code from __rcu_read_unlock(). Therefore, we could invoke the deadloop in raise_softirq_irqoff() with ftrace enabled as follows: WARNING: CPU: 0 PID: 0 at kernel/trace/trace.c:3021 __ftrace_trace_stack.constprop.0+0x172/0x180 Modules linked in: my_irq_work(O)
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4c033f2e2ea080f5f23992a2583942ecb34c444ac8f42fa0f6a5ceb0b735b4f9
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":["kernel/rcu/tree.h","kernel/rcu/tree_plugin.h"],"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":"6.6.128","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ebaebad753c8aeb523ed2ebee74708bc6c43e101348cac6732d81d953ba76d0f · sha256:53bd03a153175d3b… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/rcu/tree.h","kernel/rcu/tree_plugin.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"979c708e6c9d7fc461daef2dad8b45f22e23464c","status":"affected","version":"5f5fa7ea89dc82d34ed458f4d7a8634e8e9eefce","versionType":"git"},{"lessThan":"1f16679a5aa60238466ce339c35f5e82ece60337","status":"affected","version":"5f5fa7ea89dc82d34ed458f4d7a8634e8e9eefce","versionType":"git"},{"lessThan":"4a4a6e12c9c829be3f74b7206fa8640fc4e1c566","status":"affected","version":"5…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ebaebad753c8aeb523ed2ebee74708bc6c43e101348cac6732d81d953ba76d0f · sha256:53bd03a153175d3b… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/rcu/tree.h","kernel/rcu/tree_plugin.h"],"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":"6.6.128","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ebaebad753c8aeb523ed2ebee74708bc6c43e101348cac6732d81d953ba76d0f · sha256:53bd03a153175d3b… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/rcu/tree.h","kernel/rcu/tree_plugin.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"979c708e6c9d7fc461daef2dad8b45f22e23464c","status":"affected","version":"5f5fa7ea89dc82d34ed458f4d7a8634e8e9eefce","versionType":"git"},{"lessThan":"1f16679a5aa60238466ce339c35f5e82ece60337","status":"affected","version":"5f5fa7ea89dc82d34ed458f4d7a8634e8e9eefce","versionType":"git"},{"lessThan":"4a4a6e12c9c829be3f74b7206fa8640fc4e1c566","status":"affected","version":"5…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ebaebad753c8aeb523ed2ebee74708bc6c43e101348cac6732d81d953ba76d0f · sha256:53bd03a153175d3b… · /containers/cna/affected/0

Source references

5 source assertions
{"url":"https://git.kernel.org/stable/c/1f16679a5aa60238466ce339c35f5e82ece60337"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ebaebad753c8aeb523ed2ebee74708bc6c43e101348cac6732d81d953ba76d0f · sha256:53bd03a153175d3b… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/4a4a6e12c9c829be3f74b7206fa8640fc4e1c566"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ebaebad753c8aeb523ed2ebee74708bc6c43e101348cac6732d81d953ba76d0f · sha256:53bd03a153175d3b… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/979c708e6c9d7fc461daef2dad8b45f22e23464c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ebaebad753c8aeb523ed2ebee74708bc6c43e101348cac6732d81d953ba76d0f · sha256:53bd03a153175d3b… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/c2932e16d8c354404b17123e64daa8e33191e145"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ebaebad753c8aeb523ed2ebee74708bc6c43e101348cac6732d81d953ba76d0f · sha256:53bd03a153175d3b… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/d41e37f26b3157b3f1d10223863519a943aa239b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ebaebad753c8aeb523ed2ebee74708bc6c43e101348cac6732d81d953ba76d0f · sha256:53bd03a153175d3b… · /containers/cna/references/4

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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