CVE-2026-23263

linux: In the Linux kernel, the following vulnerability has been resolved: io_uring/zcrx: fix page array leak d9f595b9a65e...

CVE-2026-23263 is fixed in 23 products on 1 platform, first by DEBIAN-CVE-2026-23263, released March 18, 2026. 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
0.0011
1st percentile

In the Linux kernel, the following vulnerability has been resolved: io_uring/zcrx: fix page array leak d9f595b9a65e ("io_uring/zcrx: fix leaking pages on sg init fail") fixed a page leakage but didn't free the page array, release it as well.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool6.18 · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
bpftool6.18-debuginfo · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel-livepatch-6.18.15-14.217 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18 · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18-debuginfo · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18-debuginfo-common-aarch64 · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18-debuginfo-common-x86_64 · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18-devel · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18-headers · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18-libbpf · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18-libbpf-debuginfo · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18-libbpf-devel · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18-libbpf-static · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18-modules-extra · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18-modules-extra-common · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18-tools · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18-tools-debuginfo · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
kernel6.18-tools-devel · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
linux · Debian 14 6.18.10-1 DEBIAN-CVE-2026-23263 Mar 18, 2026
perf6.18 · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
perf6.18-debuginfo · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
python3-perf6.18 · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026
python3-perf6.18-debuginfo · amzn 2023 1:6.18.15-14.217.amzn2023 ALAS2023-2026-1514 Mar 30, 2026

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