In the Linux kernel, the following vulnerability has been resolved:
io_uring/kbuf: reallocate buf lists on upgrade
IORING_REGISTER_PBUF_RING can reuse an old struct io_buffer_list if it was created for legacy selected buffer and has been emptied. It violates the requirement that most of the field should stay stable after publish. Always reallocate it instead.
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 linuxNo solution exists | May 15, 2025 | Mar 7, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Mar 7, 2025 |
| Suse | — | Upgrade dtb-armUpgrade dtb-mediatekUpgrade kernel-rt-develUpgrade kernel-defaultUpgrade dtb-allwinnerUpgrade kernel-symsUpgrade cluster-md-kmp-64kbUpgrade kernel-rt_debug-develUpgrade dtb-alteraUpgrade kernel-debugUpgrade dtb-caviumUpgrade kernel-64kb-extraUpgrade kernel-64kb-develUpgrade dtb-hisiliconUpgrade kernel-64kbUpgrade dtb-marvellUpgrade kernel-debug-develUpgrade kernel-azure-optionalUpgrade dtb-sprdUpgrade gfs2-kmp-64kbUpgrade kernel-docsUpgrade dtb-appleUpgrade dtb-amazonUpgrade dtb-xilinxUpgrade kernel-azureUpgrade kernel-azure-extraUpgrade kernel-default-optionalUpgrade dtb-freescaleUpgrade kernel-devel-rtUpgrade kernel-default-livepatch-develUpgrade reiserfs-kmp-rtUpgrade kselftests-kmp-rtUpgrade gfs2-kmp-azureUpgrade kernel-64kb-optionalUpgrade dtb-socionextUpgrade cluster-md-kmp-rtUpgrade kernel-default-livepatchUpgrade kernel-default-baseUpgrade ocfs2-kmp-azureUpgrade reiserfs-kmp-defaultUpgrade dlm-kmp-rtUpgrade kernel-default-develUpgrade kernel-develUpgrade ocfs2-kmp-defaultUpgrade gfs2-kmp-defaultUpgrade dtb-amdUpgrade kernel-rt_debugUpgrade kernel-source-vanillaUpgrade dtb-renesasUpgrade dlm-kmp-defaultUpgrade kernel-debug-vdsoUpgrade kernel-azure-develUpgrade dtb-amlogicUpgrade dtb-lgUpgrade kernel-rtUpgrade kernel-sourceUpgrade kernel-azure-vdsoUpgrade kernel-obs-qaUpgrade ocfs2-kmp-rtUpgrade kernel-obs-buildUpgrade kernel-zfcpdumpUpgrade kernel-syms-rtUpgrade dtb-qcomUpgrade kernel-default-extraUpgrade reiserfs-kmp-azureUpgrade kselftests-kmp-azureUpgrade kernel-macrosUpgrade dlm-kmp-azureUpgrade kernel-kvmsmall-vdsoUpgrade dtb-apmUpgrade dtb-broadcomUpgrade kernel-syms-azureUpgrade dtb-nvidiaUpgrade kselftests-kmp-64kbUpgrade dtb-rockchipUpgrade kernel-source-rtUpgrade kernel-rt_debug-vdsoUpgrade reiserfs-kmp-64kbUpgrade dtb-exynosUpgrade cluster-md-kmp-azureUpgrade kselftests-kmp-defaultUpgrade dlm-kmp-64kbUpgrade kernel-default-vdsoUpgrade kernel-default-base-rebuildUpgrade kernel-source-azureUpgrade kernel-rt-vdsoUpgrade kernel-kvmsmall-develUpgrade kernel-rt-extraUpgrade cluster-md-kmp-defaultUpgrade kernel-rt-livepatch-develUpgrade kernel-docs-htmlUpgrade kernel-devel-azureUpgrade gfs2-kmp-rtUpgrade ocfs2-kmp-64kbUpgrade kernel-rt-optionalUpgrade kernel-kvmsmall | Dec 5, 2025 | May 21, 2025 |
| Ubuntu | — | Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-78-genericUpgrade linux-image-realtimeUpgrade linux-image-azure-fdeUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-1032-oracleUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-raspi-6.8Upgrade linux-image-6.8.0-78-lowlatencyUpgrade linux-image-virtual-6.8Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-6.11.0-26-genericUpgrade linux-image-oem-22.04Upgrade linux-image-aws-lts-24.04Upgrade linux-image-azure-fde-6.8Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-1035-aws-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-1035-raspiUpgrade linux-image-lowlatency-6.8Upgrade linux-image-6.8.0-1035-nvidia-lowlatencyUpgrade linux-image-azureUpgrade linux-image-gke-6.8Upgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1035-awsUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-oem-22.04dUpgrade linux-image-gkeopUpgrade linux-image-6.11.0-1016-oracle-64kUpgrade linux-image-generic-64kUpgrade linux-image-raspiUpgrade linux-image-6.11.0-26-generic-64kUpgrade linux-image-6.8.0-1036-gcp-64kUpgrade linux-image-azure-nvidia-lts-24.04Upgrade linux-image-6.8.0-1032-gkeUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1022-azure-nvidiaUpgrade linux-image-6.8.0-1035-nvidiaUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-genericUpgrade linux-image-oracle-6.8Upgrade linux-image-6.8.0-1032-oracle-64kUpgrade linux-image-gcp-64kUpgrade linux-image-realtime-6.8.1Upgrade linux-image-azure-nvidia-6.8Upgrade linux-image-kvmUpgrade linux-image-6.8.0-2028-raspi-realtimeUpgrade linux-image-oem-22.04aUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-aws-64kUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-virtualUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.1-1030-realtimeUpgrade linux-image-6.11.0-1014-lowlatencyUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-1033-ibmUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-generic-lpaeUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-oracleUpgrade linux-image-6.11.0-1015-gcp-64kUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-oracle-64kUpgrade linux-image-6.8.0-1036-gcpUpgrade linux-image-6.11.0-1016-oracleUpgrade linux-image-6.11.0-1014-awsUpgrade linux-image-ibm-6.8Upgrade linux-image-gcp-6.8Upgrade linux-image-6.8.0-78-generic-64kUpgrade linux-image-6.8.0-1019-gkeopUpgrade linux-image-6.11.0-1015-azureUpgrade linux-image-oem-24.04bUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-lowlatencyUpgrade linux-image-ibmUpgrade linux-image-gkeUpgrade linux-image-generic-6.8Upgrade linux-image-6.11.0-1022-oemUpgrade linux-image-azure-nvidiaUpgrade linux-image-ibm-classicUpgrade linux-image-azure-lts-24.04Upgrade linux-image-6.8.0-1034-azure-fdeUpgrade linux-image-6.8.0-78-lowlatency-64kUpgrade linux-image-6.11.0-1013-raspiUpgrade linux-image-nvidia-64kUpgrade linux-image-gcpUpgrade linux-image-aws-64k-6.8Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1034-azureUpgrade linux-image-oem-22.04bUpgrade linux-image-nvidiaUpgrade linux-image-awsUpgrade linux-image-6.11.0-1015-gcpUpgrade linux-image-6.11.0-1015-azure-fdeUpgrade linux-image-generic-64k-6.8Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-1035-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1035-nvidia-64kUpgrade linux-image-6.11.0-1014-lowlatency-64kUpgrade linux-image-6.11.0-1010-realtime | May 21, 2025 | Mar 7, 2025 |
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