CVE-2022-49743

linux: In the Linux kernel, the following vulnerability has been resolved: ovl: Use "buf" flexible array for memcpy() desti...

CVE-2022-49743 is fixed in 20 products on 1 platform, first by ALAS2023-2023-132, released March 11, 2023. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0045
39th percentile

In the Linux kernel, the following vulnerability has been resolved: ovl: Use "buf" flexible array for memcpy() destination The "buf" flexible array needs to be the memcpy() destination to avoid false positive run-time warning from the recent FORTIFY_SOURCE hardening: memcpy: detected field-spanning write (size 93) of single field "&fh->fb" at fs/overlayfs/export.c:799 (size 21)

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
bpftool-debuginfo · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
kernel · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
kernel-debuginfo · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
kernel-debuginfo-common-aarch64 · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
kernel-debuginfo-common-x86_64 · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
kernel-devel · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
kernel-headers · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
kernel-libbpf · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
kernel-libbpf-devel · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
kernel-libbpf-static · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
kernel-livepatch-6.1.12-17.42 · amzn 2023 1.0-0.amzn2023 ALAS2023-2023-132 Mar 11, 2023
kernel-tools · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
kernel-tools-debuginfo · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
kernel-tools-devel · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
linux · Debian 12.15 (bookworm) 6.1.11-1 DEBIAN-CVE-2022-49743 Mar 27, 2025
linux · Debian 13.5 (trixie) 6.1.11-1 DEBIAN-CVE-2022-49743 Mar 27, 2025
linux · Debian 14 6.1.11-1 DEBIAN-CVE-2022-49743 Mar 27, 2025
perf · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
perf-debuginfo · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
python3-perf · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023
python3-perf-debuginfo · amzn 2023 6.1.12-17.42.amzn2023 ALAS2023-2023-132 Mar 11, 2023

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.