In the Linux kernel, the following vulnerability has been resolved:
dma-buf/sync_file: Don't leak fences on merge failure
Each add_fence() call does a dma_fence_get() on the relevant fence. In the error path, we weren't calling dma_fence_put() so all those fences got leaked. Also, in the krealloc_array failure case, we weren't freeing the fences array. Instead, ensure that i and fences are always zero-initialized and dma_fence_put() all the fences and kfree(fences) on every error path.
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-aarch64Upgrade perfUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade kernel-livepatch-4.14.241-184.433Upgrade kernel-develUpgrade bpftoolUpgrade kernel-tools-develUpgrade perf-debuginfoUpgrade kernel-toolsUpgrade kernelUpgrade kernel-livepatch-5.10.59-52.142Upgrade python-perfUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade python-perf-debuginfo | May 21, 2025 | May 21, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | May 21, 2024 |
| Huawei Euleros 2_0_sp10 | — | Upgrade python3-perfUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernel | Oct 8, 2024 | May 21, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 21, 2024 |
| Suse | — | Upgrade kernel-preempt-develUpgrade kernel-source-azureUpgrade kernel-default-baseUpgrade kernel-64kbUpgrade kernel-obs-buildUpgrade kernel-azureUpgrade kernel-preemptUpgrade kernel-64kb-develUpgrade kernel-default-develUpgrade kernel-develUpgrade reiserfs-kmp-defaultUpgrade kernel-sourceUpgrade kernel-devel-azureUpgrade kernel-azure-baseUpgrade kernel-macrosUpgrade kernel-default-manUpgrade kernel-default-extraUpgrade kernel-defaultUpgrade kernel-docsUpgrade kernel-symsUpgrade kernel-azure-develUpgrade kernel-syms-azureUpgrade kernel-zfcpdump | Aug 9, 2024 | May 21, 2024 |
| Ubuntu | — | Upgrade linux-aws-hweUpgrade linux-aws-5.4Upgrade linux-azureUpgrade linux-oracle-5.4Upgrade linux-fipsUpgrade linux-raspiUpgrade linux-oracleUpgrade linux-hweUpgrade linux-kvmUpgrade linux-aws-fipsUpgrade linux-gcp-4.15Upgrade linux-gkeopUpgrade linux-ibmUpgrade linux-gcp-5.4Upgrade linux-azure-4.15Upgrade linux-hwe-5.4Upgrade linux-azure-5.4Upgrade linux-gcp-fipsUpgrade linux-bluefieldUpgrade linux-raspi-5.4Upgrade linux-azure-fipsUpgrade linux-awsUpgrade linux-gcpUpgrade linux | Nov 19, 2024 | May 21, 2024 |
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