HighFix available
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
Type: advisorySources: OSV
- Products
- bpftool, bpftool-debuginfo, kernel, kernel-abi-stablelists, kernel-core, kernel-debug, kernel-debug-core, kernel-debug-debuginfo, kernel-debug-devel, kernel-debug-modules, kernel-debug-modules-extra, kernel-debuginfo, kernel-debuginfo-common-x86_64, kernel-devel, kernel-doc, kernel-modules, kernel-modules-extra, kernel-tools, kernel-tools-debuginfo, kernel-tools-libs, perf, perf-debuginfo, python3-perf, python3-perf-debuginfo
- Affected versions
- Not specified
- Fixed versions
- 0:4.18.0-305.194.1.el8_4
- CVEs
- CVE-2023-53372, CVE-2025-21858, CVE-2025-40135, CVE-2025-40158, CVE-2025-40170, CVE-2025-68366, CVE-2025-68800, CVE-2025-71089, CVE-2026-23001, CVE-2026-23097, CVE-2026-23191, CVE-2026-23216, CVE-2026-23243, CVE-2026-23392, CVE-2026-31685, CVE-2026-43037, CVE-2026-43038, CVE-2026-43110, CVE-2026-43116, CVE-2026-43158, CVE-2026-43163, CVE-2026-43190, CVE-2026-46227, CVE-2026-46243
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:12 UTC · Revision 1
Source evidence
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
core-osv · Original sourcePublished 18 Jun 2026, 10:09 UTC
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
osv:RHSA-2026:26535
bpftool
Fixed versions: 0:4.18.0-305.194.1.el8_4
bpftool-debuginfo
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-abi-stablelists
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-core
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debug
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debug-core
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debug-debuginfo
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debug-devel
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debug-modules
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debug-modules-extra
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debuginfo
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debuginfo-common-x86_64
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-devel
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-doc
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-modules
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-modules-extra
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-tools
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-tools-debuginfo
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-tools-libs
Fixed versions: 0:4.18.0-305.194.1.el8_4
perf
Fixed versions: 0:4.18.0-305.194.1.el8_4
perf-debuginfo
Fixed versions: 0:4.18.0-305.194.1.el8_4
python3-perf
Fixed versions: 0:4.18.0-305.194.1.el8_4
python3-perf-debuginfo
Fixed versions: 0:4.18.0-305.194.1.el8_4
bpftool
Fixed versions: 0:4.18.0-305.194.1.el8_4
bpftool-debuginfo
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-abi-stablelists
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-core
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debug
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debug-core
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debug-debuginfo
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debug-devel
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debug-modules
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debug-modules-extra
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debuginfo
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-debuginfo-common-x86_64
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-devel
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-doc
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-modules
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-modules-extra
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-tools
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-tools-debuginfo
Fixed versions: 0:4.18.0-305.194.1.el8_4
kernel-tools-libs
Fixed versions: 0:4.18.0-305.194.1.el8_4
perf
Fixed versions: 0:4.18.0-305.194.1.el8_4
perf-debuginfo
Fixed versions: 0:4.18.0-305.194.1.el8_4
python3-perf
Fixed versions: 0:4.18.0-305.194.1.el8_4
python3-perf-debuginfo
Fixed versions: 0:4.18.0-305.194.1.el8_4
Complete source record
{
"id": "4cfbdbe78867053468c809ccc272dbe37ded213f54a65ba02a2a02d59abd4da6",
"url": "https://osv.dev/vulnerability/RHSA-2026%3A26535",
"method": "structured",
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],
"severity": "high",
"structured": {
"id": "RHSA-2026:26535",
"aliases": [
"RHSA-2026:26535"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
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],
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{
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"provider": "osv",
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"CVE-2025-21858",
"CVE-2025-40135",
"CVE-2025-40158",
"CVE-2025-40170",
"CVE-2025-68366",
"CVE-2025-68800",
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"CVE-2026-23001",
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"CVE-2026-43038",
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"CVE-2026-43116",
"CVE-2026-43158",
"CVE-2026-43163",
"CVE-2026-43190",
"CVE-2026-46227",
"CVE-2026-46243"
],
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"https://access.redhat.com/errata/RHSA-2026:26535",
"https://access.redhat.com/security/updates/classification/#critical",
"https://bugzilla.redhat.com/show_bug.cgi?id=2351619",
"https://bugzilla.redhat.com/show_bug.cgi?id=2396405",
"https://bugzilla.redhat.com/show_bug.cgi?id=2414506",
"https://bugzilla.redhat.com/show_bug.cgi?id=2414521",
"https://bugzilla.redhat.com/show_bug.cgi?id=2414523",
"https://bugzilla.redhat.com/show_bug.cgi?id=2424881",
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"https://bugzilla.redhat.com/show_bug.cgi?id=2432664",
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"https://bugzilla.redhat.com/show_bug.cgi?id=2439947",
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"https://bugzilla.redhat.com/show_bug.cgi?id=2464351",
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"https://bugzilla.redhat.com/show_bug.cgi?id=2467005",
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"https://bugzilla.redhat.com/show_bug.cgi?id=2482564",
"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_26535.json",
"https://access.redhat.com/security/cve/CVE-2023-53372",
"https://www.cve.org/CVERecord?id=CVE-2023-53372",
"https://nvd.nist.gov/vuln/detail/CVE-2023-53372",
"https://lore.kernel.org/linux-cve-announce/2025091855-CVE-2023-53372-4d9e@gregkh/T",
"https://access.redhat.com/security/cve/CVE-2025-21858",
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"https://nvd.nist.gov/vuln/detail/CVE-2025-21858",
"https://lore.kernel.org/linux-cve-announce/2025031215-CVE-2025-21858-3986@gregkh/T",
"https://access.redhat.com/security/cve/CVE-2025-40135",
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"https://lore.kernel.org/linux-cve-announce/2025111255-CVE-2025-40135-67ca@gregkh/T",
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"https://lore.kernel.org/linux-cve-announce/2025111258-CVE-2025-40158-4c9d@gregkh/T",
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"https://lore.kernel.org/linux-cve-announce/2026042545-CVE-2026-31685-3fcc@gregkh/T",
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"https://lore.kernel.org/linux-cve-announce/2026050102-CVE-2026-43037-0346@gregkh/T",
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"https://nvd.nist.gov/vuln/detail/CVE-2026-46243",
"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3da1fdf4efbc490041eb4f836bf596201203f8f2",
"https://lore.kernel.org/linux-cve-announce/2026060140-CVE-2026-46243-3d1c@gregkh/"
]
},
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{
"value": "CVE-2023-53372",
"evidence": "/upstream"
},
{
"value": "CVE-2025-21858",
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},
{
"value": "CVE-2025-40135",
"evidence": "/upstream"
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{
"value": "CVE-2025-40158",
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{
"value": "CVE-2025-40170",
"evidence": "/upstream"
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{
"value": "CVE-2025-68366",
"evidence": "/upstream"
},
{
"value": "CVE-2025-68800",
"evidence": "/upstream"
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{
"value": "CVE-2025-71089",
"evidence": "/upstream"
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{
"value": "CVE-2026-23001",
"evidence": "/upstream"
},
{
"value": "CVE-2026-23097",
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},
{
"value": "CVE-2026-23191",
"evidence": "/upstream"
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{
"value": "CVE-2026-23216",
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{
"value": "CVE-2026-23243",
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},
{
"value": "CVE-2026-23392",
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},
{
"value": "CVE-2026-31685",
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{
"value": "CVE-2026-43037",
"evidence": "/upstream"
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{
"value": "CVE-2026-43038",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43110",
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},
{
"value": "CVE-2026-43116",
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},
{
"value": "CVE-2026-43158",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43163",
"evidence": "/upstream"
},
{
"value": "CVE-2026-43190",
"evidence": "/upstream"
},
{
"value": "CVE-2026-46227",
"evidence": "/upstream"
},
{
"value": "CVE-2026-46243",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 352872,
"published_at": "2026-06-18T10:09:49+00:00"
}