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CVE-2026-46259

In the Linux kernel, the following vulnerability has been resolved: procfs: fix missing RCU protection when reading real_parent in do_task_stat() When reading /proc/[pid]/stat, do_task_stat() accesses task->real_parent without proper RCU protection, which leads to: cpu 0 cpu 1 ----- ----- do_task_stat var = task->real_parent release_task call_rcu(
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2259716ef6bd3f3fb080cd49f148c7061eecc76044c4efe46d6b1d2fd94de197
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":["fs/proc/array.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.26"},{"lessThan":"2.6.26","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.252","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.202","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"semver"},{"lessThanO…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:205985ffcdf2efc44843ad8235b340ba59dcbd9a804ddf66800249445a3d0743 · sha256:383bed5407ff4799… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/proc/array.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fefa0fcd78be465b7ad4c497fa6ec90d64194c04","status":"affected","version":"06fffb1267c9d986687b69d74a46ee332a50575e","versionType":"git"},{"lessThan":"c93a33f28f915d446eea6fb3f0e1def0b3af1982","status":"affected","version":"06fffb1267c9d986687b69d74a46ee332a50575e","versionType":"git"},{"lessThan":"1c8dc5b5517546c68ffae40b948336122bb61306","status":"affected","version":"06fffb1267c9d986687b69d74a46ee…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:205985ffcdf2efc44843ad8235b340ba59dcbd9a804ddf66800249445a3d0743 · sha256:383bed5407ff4799… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/proc/array.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.26"},{"lessThan":"2.6.26","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.252","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.202","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"semver"},{"lessThanO…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:205985ffcdf2efc44843ad8235b340ba59dcbd9a804ddf66800249445a3d0743 · sha256:383bed5407ff4799… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/proc/array.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fefa0fcd78be465b7ad4c497fa6ec90d64194c04","status":"affected","version":"06fffb1267c9d986687b69d74a46ee332a50575e","versionType":"git"},{"lessThan":"c93a33f28f915d446eea6fb3f0e1def0b3af1982","status":"affected","version":"06fffb1267c9d986687b69d74a46ee332a50575e","versionType":"git"},{"lessThan":"1c8dc5b5517546c68ffae40b948336122bb61306","status":"affected","version":"06fffb1267c9d986687b69d74a46ee…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:205985ffcdf2efc44843ad8235b340ba59dcbd9a804ddf66800249445a3d0743 · sha256:383bed5407ff4799… · /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:v2:205985ffcdf2efc44843ad8235b340ba59dcbd9a804ddf66800249445a3d0743 · sha256:383bed5407ff4799… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/0e64bd46a04a4fd61279aca9f53a664e9e5f7e7e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:205985ffcdf2efc44843ad8235b340ba59dcbd9a804ddf66800249445a3d0743 · sha256:383bed5407ff4799… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/1c8dc5b5517546c68ffae40b948336122bb61306"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:205985ffcdf2efc44843ad8235b340ba59dcbd9a804ddf66800249445a3d0743 · sha256:383bed5407ff4799… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/4f9ae386861e280b7631ca252f798d25575627ee"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:205985ffcdf2efc44843ad8235b340ba59dcbd9a804ddf66800249445a3d0743 · sha256:383bed5407ff4799… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/73ec7c96601d61d52310c659145bb06d933a0fa6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:205985ffcdf2efc44843ad8235b340ba59dcbd9a804ddf66800249445a3d0743 · sha256:383bed5407ff4799… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/76149d53502cf17ef3ae454ff384551236fba867"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:205985ffcdf2efc44843ad8235b340ba59dcbd9a804ddf66800249445a3d0743 · sha256:383bed5407ff4799… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/c93a33f28f915d446eea6fb3f0e1def0b3af1982"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:205985ffcdf2efc44843ad8235b340ba59dcbd9a804ddf66800249445a3d0743 · sha256:383bed5407ff4799… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/dd8b13cb4ff1a4545a214ed897fdf2bc341155b6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:205985ffcdf2efc44843ad8235b340ba59dcbd9a804ddf66800249445a3d0743 · sha256:383bed5407ff4799… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/fefa0fcd78be465b7ad4c497fa6ec90d64194c04"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:205985ffcdf2efc44843ad8235b340ba59dcbd9a804ddf66800249445a3d0743 · sha256:383bed5407ff4799… · /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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