In the Linux kernel, the following vulnerability has been resolved:
mm,hugetlb: take hugetlb_lock before decrementing h->resv_huge_pages
The h->*_huge_pages counters are protected by the hugetlb_lock, but alloc_huge_page has a corner case where it can decrement the counter outside of the lock.
This could lead to a corrupted value of h->resv_huge_pages, which we have observed on our systems.
Take the hugetlb_lock before decrementing h->resv_huge_pages to avoid a potential race.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade python-perfUpgrade kernel-develUpgrade perfUpgrade kernel-toolsUpgrade kernel-livepatch-5.15.79-51.138Upgrade kernel-livepatch-5.10.155-138.670Upgrade bpftoolUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-livepatch-4.14.299-223.520Upgrade python-perf-debuginfoUpgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade perf-debuginfoUpgrade kernel-headersUpgrade kernel-tools-develUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfo | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | Sep 17, 2025 | Sep 17, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade bpftoolUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernelUpgrade python3-perfUpgrade kernel-abi-stablelists | Feb 3, 2026 | Feb 2, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Sep 15, 2025 |
| Ubuntu | — | Upgrade linux-xilinx-zynqmpUpgrade linux-lowlatencyUpgrade linux-gkeUpgrade linux-oracle-5.4Upgrade linux-aws-hweUpgrade linux-ibmUpgrade linux-raspiUpgrade linux-aws-5.4Upgrade linuxUpgrade linux-nvidiaUpgrade linux-gkeopUpgrade linux-oracle-5.15Upgrade linux-ibm-5.4Upgrade linux-azure-fipsUpgrade linux-hwe-5.4Upgrade linux-azure-5.15Upgrade linux-hwe-5.15Upgrade linux-aws-fipsUpgrade linux-oracleUpgrade linux-gcp-5.4Upgrade linux-iotUpgrade linux-aws-5.15Upgrade linux-realtimeUpgrade linux-intel-iotg-5.15Upgrade linux-bluefieldUpgrade linux-intel-iotgUpgrade linux-gcp-fipsUpgrade linux-awsUpgrade linux-riscv-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-gcpUpgrade linux-fipsUpgrade linux-hweUpgrade linux-raspi-5.4Upgrade linux-azure-4.15Upgrade linux-gcp-4.15Upgrade linux-gcp-5.15Upgrade linux-azure-5.4Upgrade linux-kvmUpgrade linux-azureUpgrade linux-azure-fde | Sep 19, 2025 | Sep 16, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Sep 15, 2025 |
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