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CVE-2026-52955

In the Linux kernel, the following vulnerability has been resolved: libceph: Fix potential out-of-bounds access in crush_decode() A message of type CEPH_MSG_OSD_MAP containing a crush map with at least one bucket has two fields holding the bucket algorithm. If the values in these two fields differ, an out-of-bounds access can occur. This is the case because the first algorithm field (alg) is used to allocate the correct amount of memory for a bucket of this type, while the second algorithm fie
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0dd67e9d14e75f5e02cf7d8ea8093744b3a24f0def9a6bea3d3d07a479eda00d
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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/affected/0

{"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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/affected/6

{"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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/affected/1

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/affected/3

{"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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/affected/7

{"defaultStatus":"affected","product":"Linux","programFiles":["net/ceph/crush/crush.c","net/ceph/osdmap.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.34"},{"lessThan":"2.6.34","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","version…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/cna/affected/1

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/affected/2

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ceph/crush/crush.c","net/ceph/osdmap.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6e70ef53e818c53eab28d7b0026b7fd03dddaba5","status":"affected","version":"f24e9980eb860d8600cbe5ef3d2fd9295320d229","versionType":"git"},{"lessThan":"ebe76d58a48a48031b98543d86c4cd30a825b622","status":"affected","version":"f24e9980eb860d8600cbe5ef3d2fd9295320d229","versionType":"git"},{"lessThan":"3f42508191e129ee6b5ea96578d5cab14f2a013a","status":"affected","version":"f24…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/cna/affected/0

{"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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/affected/5
cvss · 2 assertions

{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/metrics/1/cvssV3_1

{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/cna/metrics/0/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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/affected/0
{"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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/affected/6
{"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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/affected/3
{"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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/affected/7
{"defaultStatus":"affected","product":"Linux","programFiles":["net/ceph/crush/crush.c","net/ceph/osdmap.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.34"},{"lessThan":"2.6.34","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","version…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/cna/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/affected/2
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ceph/crush/crush.c","net/ceph/osdmap.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6e70ef53e818c53eab28d7b0026b7fd03dddaba5","status":"affected","version":"f24e9980eb860d8600cbe5ef3d2fd9295320d229","versionType":"git"},{"lessThan":"ebe76d58a48a48031b98543d86c4cd30a825b622","status":"affected","version":"f24e9980eb860d8600cbe5ef3d2fd9295320d229","versionType":"git"},{"lessThan":"3f42508191e129ee6b5ea96578d5cab14f2a013a","status":"affected","version":"f24…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/cna/affected/0
{"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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/affected/5

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/metrics/1/cvssV3_1
{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-131","description":"Incorrect Calculation of Buffer Size","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

11 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-52955"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/references/0
{"name":"RHBZ#2492328","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492328"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/adp/0/references/1
{"url":"https://git.kernel.org/stable/c/0f3604cbe4df14c5e58288ac9f57511e726a222d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/3f42508191e129ee6b5ea96578d5cab14f2a013a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/4c79fc2d598694bda845b46229c9d48b65042970"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/6e70ef53e818c53eab28d7b0026b7fd03dddaba5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/cceb10023e76bc89f3fe9238ebd0ccab0fc7c7c5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/ea0d42137f0c06da71e37ffc647aab4c5309599a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/ebe76d58a48a48031b98543d86c4cd30a825b622"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/fb176a99e4c1a5a8448a83d83d3606203ba81faa"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /containers/cna/references/6
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52955.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:808f1f75d3247b2c205102483569c9a17b9bc132986ec35467c9ed4fa9e80aff · sha256:1b2fd1bc29dc3376… · /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.

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