kernel: rxrpc: Fix potential UAF after skb_unshare() failure

zetlyn/cve-redhat vulnerability cve CVE-2026-45998 known 2026-05-27

https://access.redhat.com/security/cve/CVE-2026-45998

Properties

cvss7
receipt
Source
Red Hat
Its words
7.0
Read by
field:cvss3_score
Said since
2026-09-29 09:44 UTC
Last answered
2026-10-04 12:16 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-45998",
  "CWE": "CWE-825",
  "advisories": [
    "RHSA-2026:67723",
    "RHSA-2026:34911",
    "RHSA-2026:55445",
    "RHSA-2026:67721",
    "RHSA-2026:65708",
    "RHSA-2026:65712"
  ],
  "affected_packages": [
    "kernel-0:6.12.0-211.30.1.el10_2",
    "kernel-0:5.14.0-284.191.1.el9_2",
    "kernel-0:5.14.0-570.140.1.el9_6",
    "kernel-0:5.14.0-427.149.1.el9_4",
    "kernel-0:6.12.0-55.98.1.el10_0",
    "kernel-rt-0:5.14.0-284.191.1.rt14.476.el9_2"
  ],
  "bugzilla": "2482024",
  "bugzilla_description": "kernel: rxrpc: Fix potential UAF after skb_unshare() failure",
  "cvss3_score": "7.0",
  "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-05-27T00:00:00Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-45998.json",
  "severity": "important"
}
cweCWE-825
receipt
Source
Red Hat
Its words
CWE-825
Read by
field:CWE
Said since
2026-09-29 09:44 UTC
Last answered
2026-10-04 12:16 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-45998",
  "CWE": "CWE-825",
  "advisories": [
    "RHSA-2026:67723",
    "RHSA-2026:34911",
    "RHSA-2026:55445",
    "RHSA-2026:67721",
    "RHSA-2026:65708",
    "RHSA-2026:65712"
  ],
  "affected_packages": [
    "kernel-0:6.12.0-211.30.1.el10_2",
    "kernel-0:5.14.0-284.191.1.el9_2",
    "kernel-0:5.14.0-570.140.1.el9_6",
    "kernel-0:5.14.0-427.149.1.el9_4",
    "kernel-0:6.12.0-55.98.1.el10_0",
    "kernel-rt-0:5.14.0-284.191.1.rt14.476.el9_2"
  ],
  "bugzilla": "2482024",
  "bugzilla_description": "kernel: rxrpc: Fix potential UAF after skb_unshare() failure",
  "cvss3_score": "7.0",
  "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-05-27T00:00:00Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-45998.json",
  "severity": "important"
}
packageskernel-0:6.12.0-211.30.1.el10_2, kernel-0:5.14.0-284.191.1.el9_2, kernel-0:5.14.0-570.140.1.el9_6, kernel-0:5.14.0-427.149.1.el9_4, kernel-0:6.12.0-55.98.1.el10_0, kernel-rt-0:5.14.0-284.191.1.rt14.476.el9_2
receipt
Source
Red Hat
Its words
kernel-0:6.12.0-211.30.1.el10_2, kernel-0:5.14.0-284.191.1.el9_2, kernel-0:5.14.0-570.140.1.el9_6, kernel-0:5.14.0-427.149.1.el9_4, kernel-0:6.12.0-55.98.1.el10_0, kernel-rt-0:5.14.0-284.191.1.rt14.476.el9_2
Read by
field:affected_packages[]
Said since
2026-09-29 09:44 UTC
Last answered
2026-10-04 12:16 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-45998",
  "CWE": "CWE-825",
  "advisories": [
    "RHSA-2026:67723",
    "RHSA-2026:34911",
    "RHSA-2026:55445",
    "RHSA-2026:67721",
    "RHSA-2026:65708",
    "RHSA-2026:65712"
  ],
  "affected_packages": [
    "kernel-0:6.12.0-211.30.1.el10_2",
    "kernel-0:5.14.0-284.191.1.el9_2",
    "kernel-0:5.14.0-570.140.1.el9_6",
    "kernel-0:5.14.0-427.149.1.el9_4",
    "kernel-0:6.12.0-55.98.1.el10_0",
    "kernel-rt-0:5.14.0-284.191.1.rt14.476.el9_2"
  ],
  "bugzilla": "2482024",
  "bugzilla_description": "kernel: rxrpc: Fix potential UAF after skb_unshare() failure",
  "cvss3_score": "7.0",
  "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-05-27T00:00:00Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-45998.json",
  "severity": "important"
}
severityimportant
A flaw that can easily compromise confidentiality, integrity or availability.
receipt
Source
Red Hat
Its words
important
Read by
field:severity
Said since
2026-09-29 09:44 UTC
Last answered
2026-10-04 12:16 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-45998",
  "CWE": "CWE-825",
  "advisories": [
    "RHSA-2026:67723",
    "RHSA-2026:34911",
    "RHSA-2026:55445",
    "RHSA-2026:67721",
    "RHSA-2026:65708",
    "RHSA-2026:65712"
  ],
  "affected_packages": [
    "kernel-0:6.12.0-211.30.1.el10_2",
    "kernel-0:5.14.0-284.191.1.el9_2",
    "kernel-0:5.14.0-570.140.1.el9_6",
    "kernel-0:5.14.0-427.149.1.el9_4",
    "kernel-0:6.12.0-55.98.1.el10_0",
    "kernel-rt-0:5.14.0-284.191.1.rt14.476.el9_2"
  ],
  "bugzilla": "2482024",
  "bugzilla_description": "kernel: rxrpc: Fix potential UAF after skb_unshare() failure",
  "cvss3_score": "7.0",
  "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-05-27T00:00:00Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-45998.json",
  "severity": "important"
}

Text

kernel: rxrpc: Fix potential UAF after skb_unshare() failure