CVE-2026-72309

Unknown

Description

In the Linux kernel, the following vulnerability has been resolved: tracing/remotes: Fix leak in trace_remote_alloc_buffer() error path If page allocation fails in trace_remote_alloc_buffer(), desc->nr_cpus is not yet incremented for the current CPU. As a consequence, on error, half-allocated rb_desc will not be freed in trace_remote_free_buffer(). Increment desc->nr_cpus as soon as the first allocation for the current CPU has succeeded.

SeverityUnknown
CVSS—
Exploit probability—
ProductLinux
PublishedAug 15, 2026
First seenAug 15, 2026

How to fix

Update
  • Linux Linux81a7b7ddb07efdd8cf30eac6def18b9289b8de1e, ec082d0b978b5fb4c11205ccce63587ac94c74e1 or later

Affected products

ProductAffected versionsFixed in
Linux Linux96e43537af5461b26f50904c6055046ba65d742f ≤ v < 81a7b7ddb07efdd8cf30eac6def18b9289b8de1e, 96e43537af5461b26f50904c6055046ba65d742f ≤ v < ec082d0b978b5fb4c11205ccce63587ac94c74e1, 7.181a7b7ddb07efdd8cf30eac6def18b9289b8de1e, ec082d0b978b5fb4c11205ccce63587ac94c74e1

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