Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-52991

In the Linux kernel, the following vulnerability has been resolved: sched/psi: fix race between file release and pressure write A potential race condition exists between pressure write and cgroup file release regarding the priv member of struct kernfs_open_file, which triggers the uaf reported in [1]. Consider the following scenario involving execution on two separate CPUs: CPU0 CPU1 ==== ==== vfs_rmdir() kernfs_iop_rmdir() cgroup_rmdir() cgroup_kn_lock_live
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:03ccc4b267133d0cdac005834798a2a10339e0621824df69fc16b0ff345528ff
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 10 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/4

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/7

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/6

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/5

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/2

{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/cgroup/cgroup.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"03dc070fa0fc3cb4068693f468ccd5f8a7e58282","status":"affected","version":"0e94682b73bfa6c44c98af7a26771c9c08c055d5","versionType":"git"},{"lessThan":"d4352c0709bfd38c752fccbde7fd72a82ac78f23","status":"affected","version":"0e94682b73bfa6c44c98af7a26771c9c08c055d5","versionType":"git"},{"lessThan":"a5b98009f16d8a5fb4a8ff9a193f5735515c38fa","status":"affected","version":"0e94682b73bfa6c44c98af7…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/1

{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/cgroup/cgroup.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.2"},{"lessThan":"5.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/cna/affected/1
cvss · 2 assertions

{"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:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/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:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/metrics/1/cvssV3_1

Affected products and versions

10 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/4
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/7
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/6
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/5
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/2
{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/cgroup/cgroup.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"03dc070fa0fc3cb4068693f468ccd5f8a7e58282","status":"affected","version":"0e94682b73bfa6c44c98af7a26771c9c08c055d5","versionType":"git"},{"lessThan":"d4352c0709bfd38c752fccbde7fd72a82ac78f23","status":"affected","version":"0e94682b73bfa6c44c98af7a26771c9c08c055d5","versionType":"git"},{"lessThan":"a5b98009f16d8a5fb4a8ff9a193f5735515c38fa","status":"affected","version":"0e94682b73bfa6c44c98af7…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/affected/1
{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/cgroup/cgroup.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.2"},{"lessThan":"5.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/cna/affected/1

Provider-owned CVSS observations

2 source assertions
{"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:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/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:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-367","description":"Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

6 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-52991"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/references/0
{"name":"RHBZ#2492403","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492403"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/references/1
{"url":"https://git.kernel.org/stable/c/03dc070fa0fc3cb4068693f468ccd5f8a7e58282"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/a5b98009f16d8a5fb4a8ff9a193f5735515c38fa"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/d4352c0709bfd38c752fccbde7fd72a82ac78f23"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/cna/references/1
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52991.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:12afeeed8150030978ed123662a490148f5c21619cbf8f330cc9acb0a414a8dd · sha256:863da2771b5a33df… · /containers/adp/0/references/2

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