Description
mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.
References (7)
Core 7
Core References
Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/168466/Linux-Stable-5.4-5.10-Use-After-Free-Race-Condition.html
Patch, Third Party Advisory
http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.html
Exploit, Issue Tracking, Mailing List, Patch, Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=2347
Release Notes, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3
Patch, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230214-0008/
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
Scores
CVSS v3
7.0
EPSS
0.0002
EPSS Percentile
5.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-416
Status
published
Products (10)
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
20.04
canonical/ubuntu_linux
22.04
debian/debian_linux
10.0
linux/linux_kernel
5.0 - 5.4.211
netapp/hci_baseboard_management_controller
h300s
netapp/hci_baseboard_management_controller
h410c
netapp/hci_baseboard_management_controller
h410s
netapp/hci_baseboard_management_controller
h500s
netapp/hci_baseboard_management_controller
h700s
Published
Sep 21, 2022
Tracked Since
Feb 18, 2026