CVE-2022-1998 — Use After Free in Kernel

CWE-416 — Use After Free9 documents7 sources
Severity
7.8HIGHNVD
OSV7.0
EPSS
0.1%
top 68.27%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Linux KernelFedoraproject FedoraRedhat Enterprise Linux
Timeline
PublishedJun 9
Latest updateMay 3

Description

A use after free in the Linux kernel File System notify functionality was found in the way user triggers copy_info_records_to_user() call to fail in copy_event_to_user(). A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶NVDlinux/linux_kernel5.10.46 — 5.10.97+2
▶Debianlinux/linux_kernel< 5.10.103-1+3
▶Ubuntulinux/linux_kernel< 4.4.0-253.287
▶CVEListV5linux/linux_kernelLinux kernel 5.17-rc3

Also affects: Enterprise Linux 9.0, Fedora 35

Patches

Patch: git.kernel.org ↗Patch: seclists.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

4
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities↗2024-04-19
▶
GHSA
GHSA-2789-cv5q-pwgx: A use after free in the Linux kernel File System notify functionality was found in the way user triggers copy_info_records_to_user() call to fail in c↗2022-06-10
▶
OSV
CVE-2022-1998: A use after free in the Linux kernel File System notify functionality was found in the way user triggers copy_info_records_to_user() call to fail in c↗2022-06-09
▶
CVEList
CVE-2022-1998: A use after free in the Linux kernel File System notify functionality was found in the way user triggers copy_info_records_to_user() call to fail in c↗2022-06-09
▶

📋Vendor Advisories

4
Red Hat
kernel: clean up hook list when offload flags check fails↗2024-05-03
▶
Microsoft
A use after free in the Linux kernel File System notify functionality was found in the way user triggers copy_info_records_to_user() call to fail in copy_event_to_user(). A local user could use this f↗2022-06-14
▶
Red Hat
kernel: fanotify misuses fd_install() which could lead to use-after-free↗2022-01-27
▶
Debian
CVE-2022-1998: linux - A use after free in the Linux kernel File System notify functionality was found ...↗2022
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CVE-2022-1998 — Use After Free in Linux Kernel | cvebase