linux: In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Validate the passed in fops for ib_ge...
CVE-2026-53188 is fixed in 20 products on 1 platform, first by DEBIAN-CVE-2026-53188, released June 28, 2026. It is not reported as exploited. Patch Radar priority: High.
In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Validate the passed in fops for ib_get_ucaps() Sashiko pointed out it is not safe to rely only on the devt because char/block alias so if the user finds a block device with the same dev_t it can masquerade as a ucap cdev fd. Test the f_ops to only accept authentic cdevs.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool6.18 · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| bpftool6.18-debuginfo · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| kernel-livepatch-6.18.36-69.134 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| kernel6.18 · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| kernel6.18-debuginfo · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| kernel6.18-debuginfo-common-aarch64 · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| kernel6.18-debuginfo-common-x86_64 · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| kernel6.18-devel · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| kernel6.18-headers · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| kernel6.18-modules-extra · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| kernel6.18-modules-extra-common · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| kernel6.18-tools · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| kernel6.18-tools-debuginfo · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| kernel6.18-tools-devel · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| linux · Debian 14 | 7.0.13-1 | DEBIAN-CVE-2026-53188 | Jun 28, 2026 |
| microvm-kernel6.18 · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| perf6.18 · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| perf6.18-debuginfo · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| python3-perf6.18 · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
| python3-perf6.18-debuginfo · amzn 2023 | 1:6.18.36-69.134.amzn2023 | ALAS2023-2026-1925 | Jul 6, 2026 |
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