In the Linux kernel, the following vulnerability has been resolved:
LSM: general protection fault in legacy_parse_param
The usual LSM hook "bail on fail" scheme doesn't work for cases where a security module may return an error code indicating that it does not recognize an input. In this particular case Smack sees a mount option that it recognizes, and returns 0. A call to a BPF hook follows, which returns -ENOPARAM, which confuses the caller because Smack has processed its data.
The SELinux hook incorrectly returns 1 on success. There was a time when this was correct, however the current expectation is that it return 0 on success. This is repaired.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-debuginfo-common-x86_64Upgrade python-perfUpgrade kernel-toolsUpgrade kernel-headersUpgrade bpftool-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-livepatch-5.10.112-108.499Upgrade kernel-debuginfoUpgrade kernelUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade kernel-tools-develUpgrade kernel-tools-debuginfoUpgrade perf-debuginfoUpgrade kernel-devel | Mar 14, 2025 | Feb 26, 2025 |
| Debian | — | Upgrade linux | Feb 27, 2025 | Feb 27, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade kernelUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernel-abi-stablelists | Jul 1, 2025 | Feb 26, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Feb 26, 2025 |
| Ubuntu | — | Upgrade linux-oracleUpgrade linuxUpgrade linux-gkeUpgrade linux-aws-5.4Upgrade linux-raspiUpgrade linux-aws-fipsUpgrade linux-azureUpgrade linux-iotUpgrade linux-oracle-5.4Upgrade linux-ibmUpgrade linux-ibm-5.4Upgrade linux-azure-fde-5.15Upgrade linux-lowlatencyUpgrade linux-hwe-5.4Upgrade linux-azure-5.15Upgrade linux-azure-fipsUpgrade linux-gcp-5.4Upgrade linux-hwe-5.15Upgrade linux-awsUpgrade linux-raspi-5.4Upgrade linux-azure-5.4Upgrade linux-intel-iotg-5.15Upgrade linux-gcpUpgrade linux-intel-iotgUpgrade linux-lowlatency-hwe-5.15Upgrade linux-kvmUpgrade linux-gcp-fipsUpgrade linux-realtimeUpgrade linux-bluefieldUpgrade linux-fips | Mar 3, 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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