CVE-2026-98814
In the Linux kernel, the following vulnerability has been resolved: nvme: fix command effects log lifetime for multipath heads KASAN reported a use-after-free when an I/O passthrough command was sent through a multipath namespace head after the controller path that first created the head had been removed: BUG: KASAN: slab-use-after-free in nvme_command_effects+0x192/0x200 [nvme_core] Read of size 4 at addr ffff888141b14400 by task nvme/19811 nvme_command_effects+0x192/0x200 [nvme_core] nvme_cmd_allowed+0x7e/0x1b0 [nvme_core] nvme_user_cmd.constprop.0+0x1b5/0x450 [nvme_core] nvme_ns_head_chr_ioctl+0xf4/0x2a0 [nvme_core] Move the log cache to the subsystem, with one entry per command set. Both controllers and namespace heads hold subsystem references, keeping their log pointers valid until subsystem release.
Affected versions
Linux kernel versions
5.9
and later are affected. Fixed in
7.2.10,
7.3
and their respective stable series.
References
2 totalFrequently asked questions
-
What is CVE-2026-98814?
CVE-2026-98814 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.9 onward and has been patched in 7.2.10 and 7.3. CVE-2026-98814 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
Is there a patch available for CVE-2026-98814?
Yes. CVE-2026-98814 has been patched. Fixed versions include 7.2.10 and 7.3. If you are running Linux kernel 5.9 or later up to the fix versions, apply the relevant patch for your kernel branch.
-
Is CVE-2026-98814 actively exploited?
No. CVE-2026-98814 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.