Bug 2516365 (CVE-2026-72448) - CVE-2026-72448 kernel: octeontx2-pf: Fix leak of SQ timestamp buffer on teardown
Summary: CVE-2026-72448 kernel: octeontx2-pf: Fix leak of SQ timestamp buffer on teardown
Keywords:
Status: NEW
Alias: CVE-2026-72448
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-15 06:08 UTC by OSIDB Bzimport
Modified: 2026-08-19 17:02 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-08-15 06:08:41 UTC 
In the Linux kernel, the following vulnerability has been resolved:

octeontx2-pf: Fix leak of SQ timestamp buffer on teardown

The send-queue timestamp ring is allocated with qmem_alloc() when
timestamping is used, but otx2_free_sq_res() never freed sq->timestamps,
leaking that memory across ifdown and device removal.  Add the missing
qmem_free() alongside the other SQ companion buffers.
Comment 1 Keith Grant 2026-08-19 17:00:06 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026081530-CVE-2026-72448-937a@gregkh/T
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