In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix use-after-free bug in cifs_debug_data_proc_show()
Skip SMB sessions that are being teared down (e.g. @ses->ses_status == SES_EXITING) in cifs_debug_data_proc_show() to avoid use-after-free in @ses.
This fixes the following GPF when reading from /proc/fs/cifs/DebugData while mounting and umounting
[ 816.251274] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b6d81: 0000 [#1] PREEMPT SMP NOPTI ... [ 816.260138] Call Trace: [ 816.260329] <TASK> [ 816.260499] ? die_addr+0x36/0x90 [ 816.260762] ? exc_general_protection+0x1b3/0x410 [ 816.261126] ? asm_exc_general_protection+0x26/0x30 [ 816.261502] ? cifs_debug_tcon+0xbd/0x240 [cifs] [ 816.261878] ? cifs_debug_tcon+0xab/0x240 [cifs] [ 816.262249] cifs_debug_data_proc_show+0x516/0xdb0 [cifs] [ 816.262689] ? seq_read_iter+0x379/0x470 [ 816.262995] seq_read_iter+0x118/0x470 [ 816.263291] proc_reg_read_iter+0x53/0x90 [ 816.263596] ? srso_alias_return_thunk+0x5/0x7f [ 816.263945] vfs_read+0x201/0x350 [ 816.264211] ksys_read+0x75/0x100 [ 816.264472] do_syscall_64+0x3f/0x90 [ 816.264750] entry_SYSCALL_64_after_hwframe+0x6e/0xd8 [ 816.265135] RIP: 0033:0x7fd5e669d381
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 |
|---|---|---|---|---|
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-bpftoolamazon-linux-ami-2-upgrade-bpftool-debuginfoamazon-linux-ami-2-upgrade-kernelamazon-linux-ami-2-upgrade-kernel-debuginfoamazon-linux-ami-2-upgrade-kernel-debuginfo-common-aarch64amazon-linux-ami-2-upgrade-kernel-debuginfo-common-x86_64amazon-linux-ami-2-upgrade-kernel-develamazon-linux-ami-2-upgrade-kernel-headersamazon-linux-ami-2-upgrade-kernel-livepatch-5-10-237-230-949amazon-linux-ami-2-upgrade-kernel-livepatch-5-15-184-125-190amazon-linux-ami-2-upgrade-kernel-toolsamazon-linux-ami-2-upgrade-kernel-tools-debuginfoamazon-linux-ami-2-upgrade-kernel-tools-develamazon-linux-ami-2-upgrade-perfamazon-linux-ami-2-upgrade-perf-debuginfoamazon-linux-ami-2-upgrade-python-perfamazon-linux-ami-2-upgrade-python-perf-debuginfo | May 30, 2025 | May 21, 2024 | |
| Amazon_linux_2023 | amazon-linux-2023-upgrade-bpftoolamazon-linux-2023-upgrade-bpftool-debuginfoamazon-linux-2023-upgrade-kernelamazon-linux-2023-upgrade-kernel-debuginfoamazon-linux-2023-upgrade-kernel-debuginfo-common-aarch64amazon-linux-2023-upgrade-kernel-debuginfo-common-x86-64amazon-linux-2023-upgrade-kernel-develamazon-linux-2023-upgrade-kernel-headersamazon-linux-2023-upgrade-kernel-libbpfamazon-linux-2023-upgrade-kernel-libbpf-develamazon-linux-2023-upgrade-kernel-libbpf-staticamazon-linux-2023-upgrade-kernel-livepatch-6-1-66-91-160amazon-linux-2023-upgrade-kernel-modules-extraamazon-linux-2023-upgrade-kernel-toolsamazon-linux-2023-upgrade-kernel-tools-debuginfoamazon-linux-2023-upgrade-kernel-tools-develamazon-linux-2023-upgrade-perfamazon-linux-2023-upgrade-perf-debuginfoamazon-linux-2023-upgrade-python3-perfamazon-linux-2023-upgrade-python3-perf-debuginfo | Feb 17, 2025 | May 21, 2024 | |
| Debian | debian-upgrade-linux | Jul 30, 2024 | May 21, 2024 | |
| Huawei Euleros 2_0_sp10 | huawei-euleros-2_0_sp10-upgrade-kernelhuawei-euleros-2_0_sp10-upgrade-kernel-abi-stablelistshuawei-euleros-2_0_sp10-upgrade-kernel-toolshuawei-euleros-2_0_sp10-upgrade-kernel-tools-libshuawei-euleros-2_0_sp10-upgrade-python3-perf | Oct 8, 2024 | May 21, 2024 | |
| Huawei Euleros 2_0_sp11 | huawei-euleros-2_0_sp11-upgrade-bpftoolhuawei-euleros-2_0_sp11-upgrade-kernelhuawei-euleros-2_0_sp11-upgrade-kernel-abi-stablelistshuawei-euleros-2_0_sp11-upgrade-kernel-toolshuawei-euleros-2_0_sp11-upgrade-kernel-tools-libshuawei-euleros-2_0_sp11-upgrade-python3-perf | Oct 8, 2024 | May 21, 2024 | |
| Huawei Euleros 2_0_sp12 | huawei-euleros-2_0_sp12-upgrade-bpftoolhuawei-euleros-2_0_sp12-upgrade-kernelhuawei-euleros-2_0_sp12-upgrade-kernel-abi-stablelistshuawei-euleros-2_0_sp12-upgrade-kernel-toolshuawei-euleros-2_0_sp12-upgrade-kernel-tools-libshuawei-euleros-2_0_sp12-upgrade-python3-perf | Oct 9, 2024 | May 21, 2024 | |
| Huawei Euleros 2_0_sp9 | huawei-euleros-2_0_sp9-upgrade-kernelhuawei-euleros-2_0_sp9-upgrade-kernel-toolshuawei-euleros-2_0_sp9-upgrade-kernel-tools-libshuawei-euleros-2_0_sp9-upgrade-python3-perf | Oct 8, 2024 | May 21, 2024 | |
| Redhat_linux | — | no-fix-redhat-rpm-package | Jul 9, 2025 | May 21, 2024 |
| Suse | — | suse-upgrade-cluster-md-kmp-64kbsuse-upgrade-cluster-md-kmp-azuresuse-upgrade-cluster-md-kmp-defaultsuse-upgrade-cluster-md-kmp-rtsuse-upgrade-dlm-kmp-64kbsuse-upgrade-dlm-kmp-azuresuse-upgrade-dlm-kmp-defaultsuse-upgrade-dlm-kmp-rtsuse-upgrade-dtb-allwinnersuse-upgrade-dtb-alterasuse-upgrade-dtb-amazonsuse-upgrade-dtb-amdsuse-upgrade-dtb-amlogicsuse-upgrade-dtb-apmsuse-upgrade-dtb-applesuse-upgrade-dtb-armsuse-upgrade-dtb-broadcomsuse-upgrade-dtb-caviumsuse-upgrade-dtb-exynossuse-upgrade-dtb-freescalesuse-upgrade-dtb-hisiliconsuse-upgrade-dtb-lgsuse-upgrade-dtb-marvellsuse-upgrade-dtb-mediateksuse-upgrade-dtb-nvidiasuse-upgrade-dtb-qcomsuse-upgrade-dtb-renesassuse-upgrade-dtb-rockchipsuse-upgrade-dtb-socionextsuse-upgrade-dtb-sprdsuse-upgrade-dtb-xilinxsuse-upgrade-gfs2-kmp-64kbsuse-upgrade-gfs2-kmp-azuresuse-upgrade-gfs2-kmp-defaultsuse-upgrade-gfs2-kmp-rtsuse-upgrade-kernel-64kbsuse-upgrade-kernel-64kb-develsuse-upgrade-kernel-64kb-extrasuse-upgrade-kernel-64kb-livepatch-develsuse-upgrade-kernel-64kb-optionalsuse-upgrade-kernel-azuresuse-upgrade-kernel-azure-basesuse-upgrade-kernel-azure-develsuse-upgrade-kernel-azure-extrasuse-upgrade-kernel-azure-livepatch-develsuse-upgrade-kernel-azure-optionalsuse-upgrade-kernel-azure-vdsosuse-upgrade-kernel-debugsuse-upgrade-kernel-debug-develsuse-upgrade-kernel-debug-livepatch-develsuse-upgrade-kernel-debug-vdsosuse-upgrade-kernel-defaultsuse-upgrade-kernel-default-basesuse-upgrade-kernel-default-base-rebuildsuse-upgrade-kernel-default-develsuse-upgrade-kernel-default-extrasuse-upgrade-kernel-default-livepatchsuse-upgrade-kernel-default-livepatch-develsuse-upgrade-kernel-default-mansuse-upgrade-kernel-default-optionalsuse-upgrade-kernel-default-vdsosuse-upgrade-kernel-develsuse-upgrade-kernel-devel-azuresuse-upgrade-kernel-devel-rtsuse-upgrade-kernel-docssuse-upgrade-kernel-docs-htmlsuse-upgrade-kernel-ec2suse-upgrade-kernel-ec2-basesuse-upgrade-kernel-ec2-develsuse-upgrade-kernel-kvmsmallsuse-upgrade-kernel-kvmsmall-develsuse-upgrade-kernel-kvmsmall-livepatch-develsuse-upgrade-kernel-kvmsmall-vdsosuse-upgrade-kernel-macrossuse-upgrade-kernel-obs-buildsuse-upgrade-kernel-obs-qasuse-upgrade-kernel-preemptsuse-upgrade-kernel-preempt-develsuse-upgrade-kernel-rtsuse-upgrade-kernel-rt-develsuse-upgrade-kernel-rt-extrasuse-upgrade-kernel-rt-livepatchsuse-upgrade-kernel-rt-livepatch-develsuse-upgrade-kernel-rt-optionalsuse-upgrade-kernel-rt-vdsosuse-upgrade-kernel-rt_debugsuse-upgrade-kernel-rt_debug-develsuse-upgrade-kernel-rt_debug-livepatch-develsuse-upgrade-kernel-rt_debug-vdsosuse-upgrade-kernel-sourcesuse-upgrade-kernel-source-azuresuse-upgrade-kernel-source-rtsuse-upgrade-kernel-source-vanillasuse-upgrade-kernel-symssuse-upgrade-kernel-syms-azuresuse-upgrade-kernel-syms-rtsuse-upgrade-kernel-tracesuse-upgrade-kernel-trace-basesuse-upgrade-kernel-trace-develsuse-upgrade-kernel-xensuse-upgrade-kernel-xen-basesuse-upgrade-kernel-xen-develsuse-upgrade-kernel-zfcpdumpsuse-upgrade-kselftests-kmp-64kbsuse-upgrade-kselftests-kmp-azuresuse-upgrade-kselftests-kmp-defaultsuse-upgrade-kselftests-kmp-rtsuse-upgrade-ocfs2-kmp-64kbsuse-upgrade-ocfs2-kmp-azuresuse-upgrade-ocfs2-kmp-defaultsuse-upgrade-ocfs2-kmp-rtsuse-upgrade-reiserfs-kmp-64kbsuse-upgrade-reiserfs-kmp-azuresuse-upgrade-reiserfs-kmp-defaultsuse-upgrade-reiserfs-kmp-rt | Jul 10, 2024 | May 21, 2024 |
| Ubuntu | ubuntu-upgrade-linux-image-4-15-0-1133-oracleubuntu-upgrade-linux-image-4-15-0-1154-kvmubuntu-upgrade-linux-image-4-15-0-1164-gcpubuntu-upgrade-linux-image-4-15-0-1170-awsubuntu-upgrade-linux-image-4-15-0-1179-azureubuntu-upgrade-linux-image-4-15-0-227-genericubuntu-upgrade-linux-image-4-15-0-227-lowlatencyubuntu-upgrade-linux-image-4-4-0-1134-awsubuntu-upgrade-linux-image-4-4-0-1135-kvmubuntu-upgrade-linux-image-4-4-0-1172-awsubuntu-upgrade-linux-image-4-4-0-257-genericubuntu-upgrade-linux-image-4-4-0-257-lowlatencyubuntu-upgrade-linux-image-5-15-0-1035-xilinx-zynqmpubuntu-upgrade-linux-image-5-15-0-1049-gkeopubuntu-upgrade-linux-image-5-15-0-1059-ibmubuntu-upgrade-linux-image-5-15-0-1059-raspiubuntu-upgrade-linux-image-5-15-0-1061-intel-iotgubuntu-upgrade-linux-image-5-15-0-1061-nvidiaubuntu-upgrade-linux-image-5-15-0-1061-nvidia-lowlatencyubuntu-upgrade-linux-image-5-15-0-1063-gkeubuntu-upgrade-linux-image-5-15-0-1063-kvmubuntu-upgrade-linux-image-5-15-0-1064-oracleubuntu-upgrade-linux-image-5-15-0-1065-gcpubuntu-upgrade-linux-image-5-15-0-1065-oracleubuntu-upgrade-linux-image-5-15-0-1066-awsubuntu-upgrade-linux-image-5-15-0-1070-azureubuntu-upgrade-linux-image-5-15-0-1070-azure-fdeubuntu-upgrade-linux-image-5-15-0-117-genericubuntu-upgrade-linux-image-5-15-0-117-generic-64kubuntu-upgrade-linux-image-5-15-0-117-generic-lpaeubuntu-upgrade-linux-image-5-15-0-117-lowlatencyubuntu-upgrade-linux-image-5-15-0-117-lowlatency-64kubuntu-upgrade-linux-image-5-4-0-1042-iotubuntu-upgrade-linux-image-5-4-0-1049-xilinx-zynqmpubuntu-upgrade-linux-image-5-4-0-1077-ibmubuntu-upgrade-linux-image-5-4-0-1090-bluefieldubuntu-upgrade-linux-image-5-4-0-1097-gkeopubuntu-upgrade-linux-image-5-4-0-1114-raspiubuntu-upgrade-linux-image-5-4-0-1118-kvmubuntu-upgrade-linux-image-5-4-0-1129-oracleubuntu-upgrade-linux-image-5-4-0-1130-awsubuntu-upgrade-linux-image-5-4-0-1134-gcpubuntu-upgrade-linux-image-5-4-0-1135-azureubuntu-upgrade-linux-image-5-4-0-192-genericubuntu-upgrade-linux-image-5-4-0-192-generic-lpaeubuntu-upgrade-linux-image-5-4-0-192-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-aws-lts-18-04ubuntu-upgrade-linux-image-aws-lts-20-04ubuntu-upgrade-linux-image-aws-lts-22-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-cvmubuntu-upgrade-linux-image-azure-fdeubuntu-upgrade-linux-image-azure-fde-lts-22-04ubuntu-upgrade-linux-image-azure-lts-18-04ubuntu-upgrade-linux-image-azure-lts-20-04ubuntu-upgrade-linux-image-azure-lts-22-04ubuntu-upgrade-linux-image-bluefieldubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-18-04ubuntu-upgrade-linux-image-gcp-lts-20-04ubuntu-upgrade-linux-image-gcp-lts-22-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-hwe-20-04ubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-generic-hwe-20-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-5-15ubuntu-upgrade-linux-image-gkeopubuntu-upgrade-linux-image-gkeop-5-15ubuntu-upgrade-linux-image-gkeop-5-4ubuntu-upgrade-linux-image-ibmubuntu-upgrade-linux-image-ibm-lts-20-04ubuntu-upgrade-linux-image-intelubuntu-upgrade-linux-image-intel-iotgubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-64kubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04ubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-upgrade-linux-image-lowlatency-hwe-20-04ubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-nvidiaubuntu-upgrade-linux-image-nvidia-lowlatencyubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oem-20-04ubuntu-upgrade-linux-image-oem-20-04bubuntu-upgrade-linux-image-oem-20-04cubuntu-upgrade-linux-image-oem-20-04dubuntu-upgrade-linux-image-oem-osp1ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-lts-18-04ubuntu-upgrade-linux-image-oracle-lts-20-04ubuntu-upgrade-linux-image-oracle-lts-22-04ubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-hwe-18-04ubuntu-upgrade-linux-image-raspi-nolpaeubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragon-hwe-18-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04ubuntu-upgrade-linux-image-virtual-hwe-18-04ubuntu-upgrade-linux-image-virtual-hwe-20-04ubuntu-upgrade-linux-image-virtual-lts-xenialubuntu-upgrade-linux-image-xilinx-zynqmp | Jul 31, 2024 | May 21, 2024 | |
| Vmware Photon_os | vmware-photon_os_update_tdnf | Jan 20, 2025 | May 21, 2024 |
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