In the Linux kernel, the following vulnerability has been resolved:
module: fix [e_shstrndx].sh_size=0 OOB access
It is trivial to craft a module to trigger OOB access in this line:
if (info->secstrings[strhdr->sh_size - 1] != '\0') {
BUG: unable to handle page fault for address: ffffc90000aa0fff PGD 100000067 P4D 100000067 PUD 100066067 PMD 10436f067 PTE 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 7 PID: 1215 Comm: insmod Not tainted 5.18.0-rc5-00007-g9bf578647087-dirty #10 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-4.fc34 04/01/2014 RIP: 0010:load_module+0x19b/0x2391
[rebased patch onto modules-next]
CVSS Details
- CVSS 3.1 Base Score: 7.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade perfUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-5.15.54-25.126Upgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade bpftool-debuginfoUpgrade perf-debuginfoUpgrade python-perf-debuginfoUpgrade python-perfUpgrade kernel-headersUpgrade kernel-develUpgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade bpftoolUpgrade kernel-tools-devel | May 22, 2025 | Feb 26, 2025 |
| Debian | — | Upgrade linux | Feb 27, 2025 | Feb 27, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernel | Feb 3, 2026 | Feb 2, 2026 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Feb 26, 2025 |
| Ubuntu | — | Upgrade linux-raspiUpgrade linux-lowlatencyUpgrade linux-intel-iotgUpgrade linux-hwe-5.15Upgrade linux-gkeUpgrade linux-azure-5.15Upgrade linux-oracleUpgrade linux-kvmUpgrade linux-ibmUpgrade linuxUpgrade linux-gkeopUpgrade linux-oracle-5.15Upgrade linux-riscv-5.15Upgrade linux-nvidiaUpgrade linux-intel-iotg-5.15Upgrade linux-gcp-5.15Upgrade linux-azureUpgrade linux-realtimeUpgrade linux-aws-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-awsUpgrade linux-gcp | Mar 19, 2025 | Feb 26, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Feb 26, 2025 |
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