In the Linux kernel, the following vulnerability has been resolved:
ALSA: line6: Fix racy access to midibuf
There can be concurrent accesses to line6 midibuf from both the URB completion callback and the rawmidi API access. This could be a cause of KMSAN warning triggered by syzkaller below (so put as reported-by here).
This patch protects the midibuf call of the former code path with a spinlock for avoiding the possible races.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Sep 6, 2024 | Sep 4, 2024 |
| Oracle_linux | — | Upgrade kernel-uek | Oct 16, 2024 | Sep 4, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Sep 4, 2024 |
| Suse | — | Upgrade kernel-docsUpgrade kselftests-kmp-defaultUpgrade reiserfs-kmp-azureUpgrade dlm-kmp-azureUpgrade kernel-rt-livepatch-develUpgrade dlm-kmp-rtUpgrade dtb-mediatekUpgrade reiserfs-kmp-rtUpgrade reiserfs-kmp-defaultUpgrade dtb-nvidiaUpgrade kernel-rt_debugUpgrade dtb-rockchipUpgrade kernel-debug-vdsoUpgrade kernel-devel-rtUpgrade kernel-debug-develUpgrade kernel-rt_debug-livepatch-develUpgrade dtb-armUpgrade kselftests-kmp-rtUpgrade dtb-allwinnerUpgrade dlm-kmp-defaultUpgrade kernel-obs-buildUpgrade kernel-default-baseUpgrade kernel-azure-vdsoUpgrade cluster-md-kmp-defaultUpgrade dtb-amdUpgrade cluster-md-kmp-64kbUpgrade kernel-64kb-extraUpgrade kernel-rt-vdsoUpgrade ocfs2-kmp-azureUpgrade kernel-rt_debug-vdsoUpgrade gfs2-kmp-defaultUpgrade kernel-rt-develUpgrade kernel-syms-rtUpgrade kernel-azureUpgrade kernel-default-base-rebuildUpgrade dtb-socionextUpgrade kernel-rt-extraUpgrade kernel-default-manUpgrade kernel-source-vanillaUpgrade dtb-renesasUpgrade kernel-default-livepatch-develUpgrade dtb-sprdUpgrade kernel-defaultUpgrade kernel-rtUpgrade kernel-debug-livepatch-develUpgrade kernel-docs-htmlUpgrade kernel-default-develUpgrade dtb-freescaleUpgrade kselftests-kmp-azureUpgrade kernel-symsUpgrade cluster-md-kmp-azureUpgrade ocfs2-kmp-64kbUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-sourceUpgrade kernel-kvmsmall-develUpgrade kernel-kvmsmall-vdsoUpgrade kernel-azure-baseUpgrade gfs2-kmp-azureUpgrade kernel-obs-qaUpgrade kernel-devel-azureUpgrade dtb-exynosUpgrade dtb-broadcomUpgrade kernel-zfcpdumpUpgrade kernel-macrosUpgrade dtb-qcomUpgrade kernel-source-rtUpgrade dtb-caviumUpgrade dtb-appleUpgrade kernel-syms-azureUpgrade kernel-default-livepatchUpgrade kernel-default-extraUpgrade kernel-64kb-develUpgrade kernel-64kbUpgrade gfs2-kmp-rtUpgrade kselftests-kmp-64kbUpgrade kernel-rt_debug-develUpgrade kernel-rt-optionalUpgrade kernel-develUpgrade dtb-alteraUpgrade kernel-source-azureUpgrade kernel-default-vdsoUpgrade kernel-rt-livepatchUpgrade dtb-lgUpgrade dtb-apmUpgrade dlm-kmp-64kbUpgrade ocfs2-kmp-defaultUpgrade kernel-azure-optionalUpgrade dtb-amazonUpgrade cluster-md-kmp-rtUpgrade reiserfs-kmp-64kbUpgrade gfs2-kmp-64kbUpgrade dtb-xilinxUpgrade kernel-azure-extraUpgrade kernel-64kb-optionalUpgrade kernel-debugUpgrade kernel-azure-develUpgrade kernel-azure-livepatch-develUpgrade dtb-amlogicUpgrade ocfs2-kmp-rtUpgrade kernel-default-optionalUpgrade kernel-kvmsmallUpgrade kernel-64kb-livepatch-develUpgrade dtb-marvellUpgrade dtb-hisilicon | Dec 5, 2025 | Oct 8, 2024 |
| Ubuntu | — | Upgrade linux-image-6.8.0-1016-raspiUpgrade linux-image-5.4.0-1054-xilinx-zynqmpUpgrade linux-image-6.8.0-1020-azure-fdeUpgrade linux-image-gkeopUpgrade linux-image-5.4.0-200-genericUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-5.4.0-1139-gcpUpgrade linux-image-5.15.0-1072-awsUpgrade linux-image-oem-22.04aUpgrade linux-image-lowlatencyUpgrade linux-image-oem-22.04bUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-aws-lts-22.04Upgrade linux-image-raspi2Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-5.15.0-1067-nvidiaUpgrade linux-image-6.8.0-50-lowlatency-64kUpgrade linux-image-6.8.0-1002-gkeopUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-azure-lts-20.04Upgrade linux-image-nvidia-64kUpgrade linux-image-azureUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-5.15.0-1075-azureUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-nvidiaUpgrade linux-image-6.8.0-50-lowlatencyUpgrade linux-image-5.4.0-1044-iotUpgrade linux-image-ibmUpgrade linux-image-6.8.0-1019-nvidiaUpgrade linux-image-generic-lpaeUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-5.15.0-1070-oracleUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-oracle-64kUpgrade linux-image-5.4.0-1139-azureUpgrade linux-image-lowlatency-64kUpgrade linux-image-5.15.0-1065-ibmUpgrade linux-image-gkeop-5.4Upgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1020-awsUpgrade linux-image-6.8.0-1018-oemUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-5.15.0-1067-nvidia-lowlatencyUpgrade linux-image-5.15.0-1071-gcpUpgrade linux-image-5.15.0-1069-kvmUpgrade linux-image-generic-64kUpgrade linux-image-gcpUpgrade linux-image-aws-lts-20.04Upgrade linux-image-5.15.0-1069-gkeUpgrade linux-image-6.8.0-1017-ibmUpgrade linux-image-ibm-classicUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-1017-oracle-64kUpgrade linux-image-6.8.0-1019-nvidia-64kUpgrade linux-image-oem-osp1Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-5.15.0-1065-raspiUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-5.4.0-1140-azureUpgrade linux-image-virtualUpgrade linux-image-oem-20.04dUpgrade linux-image-oem-22.04cUpgrade linux-image-oem-22.04Upgrade linux-image-ibm-lts-20.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-azure-fdeUpgrade linux-image-5.4.0-1123-kvmUpgrade linux-image-genericUpgrade linux-image-azure-lts-22.04Upgrade linux-image-5.4.0-1102-gkeopUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-generic-hwe-18.04Upgrade linux-image-gke-5.15Upgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-5.4.0-200-generic-lpaeUpgrade linux-image-5.4.0-1135-awsUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-oem-20.04bUpgrade linux-image-6.8.0-50-generic-64kUpgrade linux-image-5.15.0-125-genericUpgrade linux-image-azure-cvmUpgrade linux-image-gkeUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-raspiUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.4.0-200-lowlatencyUpgrade linux-image-awsUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-oem-22.04dUpgrade linux-image-oem-20.04Upgrade linux-image-5.15.0-1055-gkeopUpgrade linux-image-intel-iotgUpgrade linux-image-gkeop-5.15Upgrade linux-image-intelUpgrade linux-image-5.15.0-125-lowlatency-64kUpgrade linux-image-5.4.0-1094-bluefieldUpgrade linux-image-5.15.0-1067-intel-iotgUpgrade linux-image-5.4.0-1082-ibmUpgrade linux-image-6.8.0-1020-azureUpgrade linux-image-5.15.0-1078-azureUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1015-gkeUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-oem-20.04cUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-6.8.0-1019-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-50-genericUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-5.4.0-1119-raspiUpgrade linux-image-oracleUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-5.4.0-1134-oracleUpgrade linux-image-6.8.0-1019-gcpUpgrade linux-image-5.15.0-125-generic-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1017-oracleUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1019-nvidia-lowlatencyUpgrade linux-image-oem-24.04Upgrade linux-image-raspi-hwe-18.04Upgrade linux-image-5.15.0-125-lowlatencyUpgrade linux-image-kvmUpgrade linux-image-bluefieldUpgrade linux-image-5.15.0-125-generic-lpaeUpgrade linux-image-oemUpgrade linux-image-5.15.0-1038-xilinx-zynqmp | Nov 4, 2024 | Sep 4, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2025 | Sep 4, 2024 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub