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 | — | No solution existsUpgrade linux | May 15, 2025 | Mar 7, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Mar 7, 2025 |
| Suse | — | Upgrade kernel-symsUpgrade kernel-azureUpgrade dtb-hisiliconUpgrade dtb-amazonUpgrade kernel-debugUpgrade dtb-marvellUpgrade dtb-allwinnerUpgrade dtb-socionextUpgrade kernel-64kb-develUpgrade kernel-azure-optionalUpgrade dtb-mediatekUpgrade kernel-64kb-optionalUpgrade gfs2-kmp-azureUpgrade dtb-renesasUpgrade kernel-source-vanillaUpgrade kernel-rt_debugUpgrade kernel-default-livepatchUpgrade kernel-develUpgrade dtb-sprdUpgrade ocfs2-kmp-defaultUpgrade kernel-docsUpgrade dlm-kmp-defaultUpgrade dtb-alteraUpgrade dtb-caviumUpgrade kernel-64kbUpgrade dtb-amdUpgrade gfs2-kmp-64kbUpgrade kernel-64kb-extraUpgrade dtb-xilinxUpgrade kernel-debug-develUpgrade kernel-rt-develUpgrade kernel-rt_debug-develUpgrade kernel-default-develUpgrade reiserfs-kmp-rtUpgrade kernel-default-optionalUpgrade reiserfs-kmp-defaultUpgrade kernel-devel-rtUpgrade kernel-default-livepatch-develUpgrade kselftests-kmp-rtUpgrade ocfs2-kmp-azureUpgrade dtb-freescaleUpgrade dtb-appleUpgrade dtb-armUpgrade dlm-kmp-rtUpgrade kernel-defaultUpgrade cluster-md-kmp-rtUpgrade cluster-md-kmp-64kbUpgrade kernel-default-baseUpgrade gfs2-kmp-defaultUpgrade kernel-azure-extraUpgrade kernel-rtUpgrade kselftests-kmp-defaultUpgrade kernel-azure-vdsoUpgrade kernel-obs-buildUpgrade kernel-azure-develUpgrade kernel-rt-optionalUpgrade kernel-source-azureUpgrade ocfs2-kmp-rtUpgrade kernel-sourceUpgrade kernel-obs-qaUpgrade dtb-lgUpgrade dtb-exynosUpgrade cluster-md-kmp-azureUpgrade reiserfs-kmp-64kbUpgrade kernel-rt_debug-vdsoUpgrade kernel-debug-vdsoUpgrade kernel-source-rtUpgrade kselftests-kmp-64kbUpgrade dtb-rockchipUpgrade dtb-nvidiaUpgrade kernel-rt-livepatch-develUpgrade cluster-md-kmp-defaultUpgrade kernel-rt-vdsoUpgrade kernel-kvmsmall-develUpgrade kernel-rt-extraUpgrade kernel-syms-azureUpgrade kernel-default-vdsoUpgrade ocfs2-kmp-64kbUpgrade kernel-default-base-rebuildUpgrade kselftests-kmp-azureUpgrade reiserfs-kmp-azureUpgrade kernel-kvmsmall-vdsoUpgrade kernel-macrosUpgrade dtb-broadcomUpgrade dtb-apmUpgrade dlm-kmp-azureUpgrade kernel-devel-azureUpgrade dlm-kmp-64kbUpgrade kernel-default-extraUpgrade dtb-qcomUpgrade dtb-amlogicUpgrade kernel-zfcpdumpUpgrade kernel-syms-rtUpgrade kernel-kvmsmallUpgrade kernel-docs-htmlUpgrade gfs2-kmp-rt | Dec 5, 2025 | May 21, 2025 |
| Ubuntu | — | Upgrade linux-image-azure-nvidia-lts-24.04Upgrade linux-image-6.8.0-78-genericUpgrade linux-image-6.8.0-1035-raspiUpgrade linux-image-virtual-6.8Upgrade linux-image-6.8.0-1035-nvidia-lowlatencyUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.11.0-1016-oracle-64kUpgrade linux-image-realtimeUpgrade linux-image-gkeopUpgrade linux-image-azureUpgrade linux-image-6.8.0-1032-oracleUpgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-1036-gcp-64kUpgrade linux-image-raspi-6.8Upgrade linux-image-6.11.0-26-genericUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-78-lowlatencyUpgrade linux-image-oem-22.04Upgrade linux-image-aws-6.8Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-azure-fdeUpgrade linux-image-6.8.0-1035-aws-64kUpgrade linux-image-6.8.0-1022-azure-nvidiaUpgrade linux-image-azure-fde-6.8Upgrade linux-image-oracle-6.8Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1032-oracle-64kUpgrade linux-image-generic-64kUpgrade linux-image-gke-6.8Upgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-genericUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-1035-nvidiaUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-aws-lts-24.04Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-lowlatency-6.8Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.11.0-26-generic-64kUpgrade linux-image-oem-22.04cUpgrade linux-image-raspiUpgrade linux-image-6.8.0-1032-gkeUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-gcp-64kUpgrade linux-image-realtime-6.8.1Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.8.0-1035-awsUpgrade linux-image-oem-22.04aUpgrade linux-image-kvmUpgrade linux-image-6.8.0-78-generic-64kUpgrade linux-image-6.8.1-1030-realtimeUpgrade linux-image-6.11.0-1022-oemUpgrade linux-image-azure-nvidiaUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-2028-raspi-realtimeUpgrade linux-image-azure-nvidia-6.8Upgrade linux-image-gkeUpgrade linux-image-6.8.0-1019-gkeopUpgrade linux-image-6.11.0-1015-gcp-64kUpgrade linux-image-ibm-6.8Upgrade linux-image-gcp-6.8Upgrade linux-image-6.11.0-1014-lowlatencyUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-virtualUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-1035-nvidia-64kUpgrade linux-image-6.11.0-1015-azure-fdeUpgrade linux-image-6.11.0-1010-realtimeUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.8.0-1035-nvidia-lowlatency-64kUpgrade linux-image-6.11.0-1014-lowlatency-64kUpgrade linux-image-gkeop-6.8Upgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-generic-64k-6.8Upgrade linux-image-6.11.0-1013-raspiUpgrade linux-image-generic-6.8Upgrade linux-image-ibm-classicUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-generic-lpaeUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-1034-azure-fdeUpgrade linux-image-ibmUpgrade linux-image-oem-24.04bUpgrade linux-image-6.8.0-78-lowlatency-64kUpgrade linux-image-6.8.0-1033-ibmUpgrade linux-image-oracleUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-azure-lts-24.04Upgrade linux-image-lowlatencyUpgrade linux-image-6.11.0-1016-oracleUpgrade linux-image-oracle-64kUpgrade linux-image-6.11.0-1014-awsUpgrade linux-image-6.11.0-1015-azureUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-6.8.0-1036-gcpUpgrade linux-image-gcpUpgrade linux-image-aws-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-oem-22.04bUpgrade linux-image-aws-64k-6.8Upgrade linux-image-nvidiaUpgrade linux-image-6.11.0-1015-gcpUpgrade linux-image-6.8.0-1034-azureUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-aws | May 21, 2025 | Mar 7, 2025 |
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