CVE-2026-43109
x86: shadow stacks: proper error handling for mmap lock
CVE-2026-43109 is fixed in 96 products on 1 platform, first by ALAS2023-2026-1693, released May 8, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.1
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0011
1st percentile
x86: shadow stacks: proper error handling for mmap lock (bsc#1264484).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool6.12 · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| bpftool6.12-debuginfo · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| bpftool6.18 · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| bpftool6.18-debuginfo · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| dtb-aarch64 · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-64kb · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-64kb · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-azure · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-azure · sles 15.7 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-azure · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-default · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-default · sles 15.6 | 6.4.0-150600.23.125.1 | SUSE-SU-2026:3156-1 | Jul 21, 2026 |
| kernel-default · sles 15.7 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-default · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-default-base · opensuse-leap 16.0 | 6.12.0-160000.35.1.160000.2.16 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-default-base · sles 15.6 | 6.4.0-150600.23.125.1.150600.12.58.3 | SUSE-SU-2026:3156-1 | Jul 21, 2026 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.66.1.150700.17.39.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-default-base · sles 16.0 | 6.12.0-160000.35.1.160000.2.16 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-docs · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-docs · sles 15.6 | 6.4.0-150600.23.125.1 | SUSE-SU-2026:3156-1 | Jul 21, 2026 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.66.2 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-docs · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-kvmsmall · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-kvmsmall · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-livepatch-6.12.88-119.157 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-1753 | May 25, 2026 |
| kernel-livepatch-6.12.90-120.164 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| kernel-livepatch-6.18.25-55.108 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel-livepatch-SLE15-SP6_Update_14 · sles 15.6 | 16-150600.2.1 | SUSE-SU-2026:3726-1 | Aug 24, 2026 |
| kernel-livepatch-SLE15-SP6_Update_15 · sles 15.6 | 16-150600.2.1 | SUSE-SU-2026:3754-1 | Aug 24, 2026 |
| kernel-livepatch-SLE15-SP6_Update_16 · sles 15.6 | 13-150600.2.1 | SUSE-SU-2026:3704-1 | Aug 23, 2026 |
| kernel-livepatch-SLE15-SP6_Update_18 · sles 15.6 | 11-150600.2.1 | SUSE-SU-2026:3748-1 | Aug 24, 2026 |
| kernel-livepatch-SLE15-SP6_Update_20 · sles 15.6 | 10-150600.2.1 | SUSE-SU-2026:3719-1 | Aug 24, 2026 |
| kernel-livepatch-SLE15-SP6_Update_24 · sles 15.6 | 6-150600.2.1 | SUSE-SU-2026:3761-1 | Aug 24, 2026 |
| kernel-livepatch-SLE15-SP6_Update_25 · sles 15.6 | 5-150600.2.1 | SUSE-SU-2026:3760-1 | Aug 24, 2026 |
| kernel-livepatch-SLE15-SP6_Update_26 · sles 15.6 | 5-150600.2.1 | SUSE-SU-2026:3775-1 | Aug 25, 2026 |
| kernel-livepatch-SLE15-SP6_Update_27 · sles 15.6 | 4-150600.2.1 | SUSE-SU-2026:3776-1 | Aug 25, 2026 |
| kernel-livepatch-SLE15-SP6_Update_28 · sles 15.6 | 4-150600.2.1 | SUSE-SU-2026:3777-1 | Aug 25, 2026 |
| kernel-livepatch-SLE15-SP6_Update_29 · sles 15.6 | 1-150600.13.7.1 | SUSE-SU-2026:3156-1 | Jul 21, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_10 · sles 15.7 | 8-150700.2.1 | SUSE-SU-2026:3696-1 | Aug 22, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_12 · sles 15.7 | 7-150700.2.1 | SUSE-SU-2026:3746-1 | Aug 24, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_13 · sles 15.7 | 6-150700.2.1 | SUSE-SU-2026:3698-1 | Aug 22, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_14 · sles 15.7 | 5-150700.2.1 | SUSE-SU-2026:3694-1 | Aug 22, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_15 · sles 15.7 | 4-150700.2.1 | SUSE-SU-2026:3699-1 | Aug 22, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_16 · sles 15.7 | 1-150700.1.5.2 | SUSE-SU-2026:2591-1 | Jun 23, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_3 · sles 15.7 | 16-150700.2.1 | SUSE-SU-2026:3689-1 | Aug 22, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_7 · sles 15.7 | 11-150700.2.1 | SUSE-SU-2026:3697-1 | Aug 22, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_8 · sles 15.7 | 11-150700.2.1 | SUSE-SU-2026:3748-1 | Aug 24, 2026 |
| kernel-livepatch-SLE15-SP7_Update_10 · sles 15.7 | 8-150700.2.1 | SUSE-SU-2026:3771-1 | Aug 24, 2026 |
| kernel-livepatch-SLE15-SP7_Update_11 · sles 15.7 | 8-150700.2.1 | SUSE-SU-2026:3770-1 | Aug 24, 2026 |
| kernel-livepatch-SLE15-SP7_Update_14 · sles 15.7 | 5-150700.2.1 | SUSE-SU-2026:3774-1 | Aug 25, 2026 |
| kernel-livepatch-SLE15-SP7_Update_15 · sles 15.7 | 4-150700.2.1 | SUSE-SU-2026:3779-1 | Aug 25, 2026 |
| kernel-livepatch-SLE15-SP7_Update_16 · sles 15.7 | 1-150700.15.3.2 | SUSE-SU-2026:2482-1 | Jun 22, 2026 |
| kernel-livepatch-SLE15-SP7_Update_18 · sles 15.7 | 1-150700.15.3.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-livepatch-SLE15-SP7_Update_3 · sles 15.7 | 16-150700.2.1 | SUSE-SU-2026:3726-1 | Aug 24, 2026 |
| kernel-livepatch-SLE15-SP7_Update_4 · sles 15.7 | 16-150700.2.1 | SUSE-SU-2026:3754-1 | Aug 24, 2026 |
| kernel-livepatch-SLE15-SP7_Update_6 · sles 15.7 | 11-150700.2.1 | SUSE-SU-2026:3704-1 | Aug 23, 2026 |
| kernel-livepatch-SLE15-SP7_Update_7 · sles 15.7 | 11-150700.2.1 | SUSE-SU-2026:3768-1 | Aug 24, 2026 |
| kernel-livepatch-SLE15-SP7_Update_8 · sles 15.7 | 11-150700.2.1 | SUSE-SU-2026:3761-1 | Aug 24, 2026 |
| kernel-livepatch-SLE16_Update_0 · sles 16.0 | 17-160000.4.3 | SUSE-SU-2026:23341-1 | Aug 26, 2026 |
| kernel-livepatch-SLE16_Update_1 · sles 16.0 | 15-160000.1.1 | SUSE-SU-2026:23343-1 | Aug 26, 2026 |
| kernel-livepatch-SLE16_Update_10 · sles 16.0 | 6-160000.1.1 | SUSE-SU-2026:23332-1 | Aug 26, 2026 |
| kernel-livepatch-SLE16_Update_11 · sles 16.0 | 6-160000.1.1 | SUSE-SU-2026:23331-1 | Aug 26, 2026 |
| kernel-livepatch-SLE16_Update_12 · sles 16.0 | 4-160000.1.1 | SUSE-SU-2026:23330-1 | Aug 26, 2026 |
| kernel-livepatch-SLE16_Update_13 · sles 16.0 | 4-160000.1.2 | SUSE-SU-2026:23329-1 | Aug 26, 2026 |
| kernel-livepatch-SLE16_Update_2 · sles 16.0 | 13-160000.1.1 | SUSE-SU-2026:23340-1 | Aug 26, 2026 |
| kernel-livepatch-SLE16_Update_3 · sles 16.0 | 12-160000.1.1 | SUSE-SU-2026:23339-1 | Aug 26, 2026 |
| kernel-livepatch-SLE16_Update_4 · sles 16.0 | 11-160000.1.1 | SUSE-SU-2026:23338-1 | Aug 26, 2026 |
| kernel-livepatch-SLE16_Update_5 · sles 16.0 | 10-160000.1.1 | SUSE-SU-2026:23337-1 | Aug 26, 2026 |
| kernel-livepatch-SLE16_Update_6 · sles 16.0 | 9-160000.1.1 | SUSE-SU-2026:23336-1 | Aug 26, 2026 |
| kernel-livepatch-SLE16_Update_7 · sles 16.0 | 8-160000.1.1 | SUSE-SU-2026:23335-1 | Aug 26, 2026 |
| kernel-livepatch-SLE16_Update_8 · sles 16.0 | 7-160000.1.1 | SUSE-SU-2026:23334-1 | Aug 26, 2026 |
| kernel-livepatch-SLE16_Update_9 · sles 16.0 | 6-160000.1.1 | SUSE-SU-2026:23333-1 | Aug 26, 2026 |
| kernel-obs-build · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-obs-build · sles 15.6 | 6.4.0-150600.23.125.1 | SUSE-SU-2026:3156-1 | Jul 21, 2026 |
| kernel-obs-build · sles 15.7 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-obs-qa · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-obs-qa · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-rt · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-source · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-source · sles 15.6 | 6.4.0-150600.23.125.1 | SUSE-SU-2026:3156-1 | Jul 21, 2026 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-source · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-syms · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-syms · sles 15.6 | 6.4.0-150600.23.125.1 | SUSE-SU-2026:3156-1 | Jul 21, 2026 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-syms · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel-zfcpdump · opensuse-leap 16.0 | 6.12.0-160000.35.1 | OPENSUSE-SU-2026:20965-1 | Jun 15, 2026 |
| kernel-zfcpdump · sles 15.7 | 6.4.0-150700.53.66.1 | SUSE-SU-2026:2800-1 | Jul 8, 2026 |
| kernel-zfcpdump · sles 16.0 | 6.12.0-160000.35.1 | SUSE-SU-2026:22127-1 | Jun 15, 2026 |
| kernel6.12 · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| kernel6.12-debuginfo · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| kernel6.12-debuginfo-common-aarch64 · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| kernel6.12-debuginfo-common-x86_64 · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| kernel6.12-devel · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| kernel6.12-headers · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| kernel6.12-modules-extra · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| kernel6.12-modules-extra-common · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| kernel6.12-tools · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| kernel6.12-tools-debuginfo · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| kernel6.12-tools-devel · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| kernel6.18 · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-debuginfo · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-debuginfo-common-aarch64 · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-debuginfo-common-x86_64 · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-devel · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-headers · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-modules-extra · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-modules-extra-common · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-tools · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-tools-debuginfo · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| kernel6.18-tools-devel · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.88-1 | DEBIAN-CVE-2026-43109 | May 15, 2026 |
| linux · Debian 14 | 6.19.14-1 | DEBIAN-CVE-2026-43109 | May 15, 2026 |
| perf6.12 · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| perf6.12-debuginfo · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| perf6.18 · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| perf6.18-debuginfo · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| python3-perf6.12 · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| python3-perf6.12-debuginfo · amzn 2023 | 1:6.12.90-120.164.amzn2023 | ALAS2023-2026-1816 | Jun 8, 2026 |
| python3-perf6.18 · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
| python3-perf6.18-debuginfo · amzn 2023 | 1:6.18.25-55.108.amzn2023 | ALAS2023-2026-1693 | May 8, 2026 |
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