In the Linux kernel, the following vulnerability has been resolved:
tpm: use try_get_ops() in tpm-space.c
As part of the series conversion to remove nested TPM operations:
https://lore.kernel.org/all/[email protected]/
exposure of the chip->tpm_mutex was removed from much of the upper level code. In this conversion, tpm2_del_space() was missed. This didn't matter much because it's usually called closely after a converted operation, so there's only a very tiny race window where the chip can be removed before the space flushing is done which causes a NULL deref on the mutex. However, there are reports of this window being hit in practice, so fix this by converting tpm2_del_space() to use tpm_try_get_ops(), which performs all the teardown checks before acquring the mutex.
CVSS Details
- CVSS 3.1 Base Score: 4.7
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/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 perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade kernel-tools-debuginfoUpgrade kernel-tools-develUpgrade bpftoolUpgrade kernel-develUpgrade python-perfUpgrade kernel-headersUpgrade kernelUpgrade perf-debuginfoUpgrade kernel-livepatch-5.10.109-104.500Upgrade bpftool-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfo | Mar 14, 2025 | Feb 26, 2025 |
| Debian | — | Upgrade linux | Feb 27, 2025 | Feb 27, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernelUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel-toolsUpgrade bpftool | Jun 11, 2025 | Feb 26, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-tools-libsUpgrade python3-perf | Jun 11, 2025 | Feb 26, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Feb 26, 2025 |
| Ubuntu | — | Upgrade linux-raspi-5.4Upgrade linux-gcp-fipsUpgrade linux-hwe-5.15Upgrade linux-aws-5.4Upgrade linux-kvmUpgrade linux-raspiUpgrade linux-azureUpgrade linux-fipsUpgrade linux-realtimeUpgrade linux-ibmUpgrade linux-azure-fde-5.15Upgrade linux-hwe-5.4Upgrade linux-intel-iotgUpgrade linux-bluefieldUpgrade linux-oracleUpgrade linux-intel-iotg-5.15Upgrade linux-iotUpgrade linux-aws-fipsUpgrade linux-lowlatency-hwe-5.15Upgrade linux-azure-5.15Upgrade linux-azure-5.4Upgrade linux-ibm-5.4Upgrade linuxUpgrade linux-azure-fipsUpgrade linux-gcpUpgrade linux-lowlatencyUpgrade linux-gkeUpgrade linux-awsUpgrade linux-oracle-5.4Upgrade linux-gcp-5.4 | 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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