CVE-2026-72497
HIGH 8.8 ALL-YEARSIn the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Add a max slot check for SQ The variable WQE mode must be validated against the maximum slots supported by HW. The max supported value is 64K. Adding a max and min check and fail if user supplied value is more than the max supported and zero.
Severe if exploited (CVSS 8.8), but no confirmed exploitation. Patch on a normal cadence.
Exploitation likelihood
0.2%chance of exploitation in 30 days · 7th percentile
Impact if exploited
8.8CVSS 3.1 · HIGH · CNA
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityHigh
What an attacker needs
- ⚠Access: Requires local access to the host
- ⚠Privileges: Requires a low-privilege account
- ✓User interaction: No user interaction needed
- ✓Complexity: No special conditions — reliably repeatable
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
Search for new PoCs
Search GitHub now — results may be empty or unverified.
Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.
Weakness (CWE)
Not classified.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
References and research data (JSON)
Vendor product assessments
Showing 32 of 274 vendor product statements; 242 omitted. Read the full vendor advisory.
kernel as a component of Red Hat Enterprise Linux 10 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/kernel
- none available: Fix deferred
kernel-64k-modules as a component of Red Hat Enterprise Linux 10 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/kernel-64k-modules
- none available: Fix deferred
kernel-debug-uki-virt as a component of Red Hat Enterprise Linux 10 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/kernel-debug-uki-virt
- none available: Fix deferred
kernel-rt-64k-debug-devel as a component of Red Hat Enterprise Linux 10 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/kernel-rt-64k-debug-devel
- none available: Fix deferred
kernel-rt-debug-kvm as a component of Red Hat Enterprise Linux 10 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/kernel-rt-debug-kvm
- none available: Fix deferred
kernel-uki-virt as a component of Red Hat Enterprise Linux 10 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/kernel-uki-virt
- none available: Fix deferred
python3-perf as a component of Red Hat Enterprise Linux 10 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/python3-perf
- none available: Fix deferred
kernel-64k-debug-modules-core as a component of Red Hat Enterprise Linux 9 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/kernel-64k-debug-modules-core
- none available: Fix deferred
kernel-cross-headers as a component of Red Hat Enterprise Linux 9 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/kernel-cross-headers
- none available: Fix deferred
kernel-devel as a component of Red Hat Enterprise Linux 9 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/kernel-devel
- none available: Fix deferred
kernel-rt-64k-core as a component of Red Hat Enterprise Linux 9 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/kernel-rt-64k-core
- none available: Fix deferred
kernel-rt-64k-devel-matched as a component of Red Hat Enterprise Linux 9 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/kernel-rt-64k-devel-matched
- none available: Fix deferred
kernel-rt-debug-kvm as a component of Red Hat Enterprise Linux 9 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/kernel-rt-debug-kvm
- none available: Fix deferred
kernel-rt-modules-partner as a component of Red Hat Enterprise Linux 9 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/kernel-rt-modules-partner
- none available: Fix deferred
kernel-zfcpdump-devel-matched as a component of Red Hat Enterprise Linux 9 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/kernel-zfcpdump-devel-matched
- none available: Fix deferred
rv as a component of Red Hat Enterprise Linux 9 · known affected
Vendor assessment for this product only.
pkg:rpm/redhat/rv
- none available: Fix deferred
kernel as a component of Red Hat Enterprise Linux 6 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/kernel
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00kernel-doc as a component of Red Hat Enterprise Linux 6 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/kernel-doc
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00perf as a component of Red Hat Enterprise Linux 6 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/perf
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00kernel-debug as a component of Red Hat Enterprise Linux 7 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/kernel-debug
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00kernel-kdump-devel as a component of Red Hat Enterprise Linux 7 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/kernel-kdump-devel
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00kernel-rt-doc as a component of Red Hat Enterprise Linux 7 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/kernel-rt-doc
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00kernel-tools as a component of Red Hat Enterprise Linux 7 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/kernel-tools
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00bpftool as a component of Red Hat Enterprise Linux 8 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/bpftool
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00kernel-cross-headers as a component of Red Hat Enterprise Linux 8 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/kernel-cross-headers
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00kernel-debug-modules-internal as a component of Red Hat Enterprise Linux 8 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/kernel-debug-modules-internal
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00kernel-modules-extra as a component of Red Hat Enterprise Linux 8 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/kernel-modules-extra
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00kernel-rt-debug-devel as a component of Red Hat Enterprise Linux 8 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/kernel-rt-debug-devel
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00kernel-rt-kvm as a component of Red Hat Enterprise Linux 8 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/kernel-rt-kvm
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00kernel-selftests-internal as a component of Red Hat Enterprise Linux 8 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/kernel-selftests-internal
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00kernel-zfcpdump-devel as a component of Red Hat Enterprise Linux 8 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/kernel-zfcpdump-devel
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00python3-perf as a component of Red Hat Enterprise Linux 8 · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
pkg:rpm/redhat/python3-perf
Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00
All CVSS metrics
- HIGH 8.8 v3.1 · CNA Primary
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - HIGH 8.8 v3.1 · NVD Secondary
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
References
Advisories
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72497.json Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-59396 EUVD · EUVD-2026-59396
Technical & other
- https://git.kernel.org/stable/c/d4d1c78b56b6abc0dcb6015faaed2cf4d0f2797bCVE record · Linux · Updated 2026-10-21T12:45:05.370Z
NVD · CVE-2026-72497 · Updated 2026-10-21T13:19:39.483 - https://git.kernel.org/stable/c/2106c337905d7445d75818e36920b63f9211c584CVE record · Linux · Updated 2026-10-21T12:45:05.370Z
NVD · CVE-2026-72497 · Updated 2026-10-21T13:19:39.483 - https://git.kernel.org/stable/c/a59d815cbe667929b693b5fa6716a074e6a31c5bCVE record · Linux · Updated 2026-10-21T12:45:05.370Z
NVD · CVE-2026-72497 · Updated 2026-10-21T13:19:39.483 - https://git.kernel.org/stable/c/dc95931b7e1326dacae547874bf38c092e5960d8CVE record · Linux · Updated 2026-10-21T12:45:05.370Z
NVD · CVE-2026-72497 · Updated 2026-10-21T13:19:39.483 - https://access.redhat.com/security/cve/CVE-2026-72497 Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00
- https://bugzilla.redhat.com/show_bug.cgi?id=2516797 Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00
- https://www.cve.org/CVERecord?id=CVE-2026-72497 Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00
- https://nvd.nist.gov/vuln/detail/CVE-2026-72497 Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00
- https://lore.kernel.org/linux-cve-announce/2026081540-CVE-2026-72497-ea51@gregkh/T Red Hat · CVE-2026-72497 · Updated 2026-09-01T10:42:58+00:00
Sources: NVD · CVE.org · All sources and attribution · EPSS