CVE-2026-23454 — Expired Pointer Dereference in Linux
Severity
5.5MEDIUM
No vectorEPSS
0.0%
top 90.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 3
Description
In the Linux kernel, the following vulnerability has been resolved:
net: mana: fix use-after-free in mana_hwc_destroy_channel() by reordering teardown
A potential race condition exists in mana_hwc_destroy_channel() where
hwc->caller_ctx is freed before the HWC's Completion Queue (CQ) and
Event Queue (EQ) are destroyed. This allows an in-flight CQ interrupt
handler to dereference freed memory, leading to a use-after-free or
NULL pointer dereference in mana_hwc_handle_resp().
mana_smc_teardown_…
Affected Packages3 packages
▶CVEListV5linux/linuxca9c54d2d6a5ab2430c4eda364c77125d62e5e0f — e23bf444512cb85d76012080a76cd1f9e967448e+6
🔴Vulnerability Details
2OSV▶
CVE-2026-23454: In the Linux kernel, the following vulnerability has been resolved: net: mana: fix use-after-free in mana_hwc_destroy_channel() by reordering teardown↗2026-04-03
GHSA▶
GHSA-v535-7p5c-7xm9: In the Linux kernel, the following vulnerability has been resolved:
net: mana: fix use-after-free in mana_hwc_destroy_channel() by reordering teardow↗2026-04-03