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In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix potential OOBs in smb2_parse_contexts()
Validate offsets and lengths before dereferencing create contexts in smb2_parse_contexts().
This fixes following oops when accessing invalid create contexts from server:
BUG: unable to handle page fault for address: ffff8881178d8cc3 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 4a01067 P4D 4a01067 PUD 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 3 PID: 1736 Comm: mount.cifs Not tainted 6.7.0-rc4 #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.2-3-gd478f380-rebuilt.opensuse.org 04/01/2014 RIP: 0010:smb2_parse_contexts+0xa0/0x3a0 [cifs] Code: f8 10 75 13 48 b8 93 ad 25 50 9c b4 11 e7 49 39 06 0f 84 d2 00 00 00 8b 45 00 85 c0 74 61 41 29 c5 48 01 c5 41 83 fd 0f 76 55 <0f> b7 7d 04 0f b7 45 06 4c 8d 74 3d 00 66 83 f8 04 75 bc ba 04 00 RSP: 0018:ffffc900007939e0 EFLAGS: 00010216 RAX: ffffc90000793c78 RBX: ffff8880180cc000 RCX: ffffc90000793c90 RDX: ffffc90000793cc0 RSI: ffff8880178d8cc0 RDI: ffff8880180cc000 RBP: ffff8881178d8cbf R08: ffffc90000793c22 R09: 0000000000000000 R10: ffff8880180cc000 R11: 0000000000000024 R12: 0000000000000000 R13: 0000000000000020 R14: 0000000000000000 R15: ffffc90000793c22 FS: 00007f873753cbc0(0000) GS:ffff88806bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8881178d8cc3 CR3: 00000000181ca000 CR4: 0000000000750ef0 PKRU: 55555554 Call Trace: <TASK> ? __die+0x23/0x70 ? page_fault_oops+0x181/0x480 ? search_module_extables+0x19/0x60 ? srso_alias_return_thunk+0x5/0xfbef5 ? exc_page_fault+0x1b6/0x1c0 ? asm_exc_page_fault+0x26/0x30 ? smb2_parse_contexts+0xa0/0x3a0 [cifs] SMB2_open+0x38d/0x5f0 [cifs] ? smb2_is_path_accessible+0x138/0x260 [cifs] smb2_is_path_accessible+0x138/0x260 [cifs] cifs_is_path_remote+0x8d/0x230 [cifs] cifs_mount+0x7e/0x350 [cifs] cifs_smb3_do_mount+0x128/0x780 [cifs] smb3_get_tree+0xd9/0x290 [cifs] vfs_get_tree+0x2c/0x100 ? capable+0x37/0x70 path_mount+0x2d7/0xb80 ? srso_alias_return_thunk+0x5/0xfbef5 ? _raw_spin_unlock_irqrestore+0x44/0x60 __x64_sys_mount+0x11a/0x150 do_syscall_64+0x47/0xf0 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7f8737657b1e
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-64k-modulesUpgrade kernel-debug-uki-virtUpgrade kernel-develUpgrade bpftoolUpgrade kernel-debug-develUpgrade kernel-rt-debugUpgrade rtlaUpgrade kernel-tools-libs-develUpgrade kernel-cross-headersUpgrade kernel-debug-coreUpgrade kernel-debugUpgrade kernel-64k-debug-develUpgrade kernel-rt-coreUpgrade kernel-64k-modules-coreUpgrade kernel-64k-debug-coreUpgrade kernel-rt-modules-extraUpgrade kernel-zfcpdump-develUpgrade kernel-64kUpgrade python3-perfUpgrade kernel-devel-matchedUpgrade kernel-modules-coreUpgrade kernel-rt-debug-coreUpgrade kernel-rt-debug-kvmUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-rt-debug-develUpgrade kernel-64k-debug-modulesUpgrade kernel-headersUpgrade kernelUpgrade perfUpgrade kernel-debug-modules-extraUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-debug-devel-matchedUpgrade kernel-rt-develUpgrade kernel-64k-develUpgrade kernel-64k-modules-extraUpgrade kernel-rt-modulesUpgrade kernel-modules-extraUpgrade kernel-modulesUpgrade kernel-debug-modulesUpgrade kernel-rtUpgrade kernel-64k-devel-matchedUpgrade kernel-uki-virtUpgrade kernel-rt-modules-coreUpgrade kernel-64k-debugUpgrade libperfUpgrade kernel-coreUpgrade kernel-rt-debug-modules-extraUpgrade kernel-debug-modules-coreUpgrade kernel-64k-debug-modules-coreUpgrade kernel-rt-kvmUpgrade kernel-zfcpdumpUpgrade kernel-64k-debug-modules-extraUpgrade kernel-64k-coreUpgrade kernel-docUpgrade rvUpgrade kernel-rt-debug-modules-coreUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-zfcpdump-modulesUpgrade kernel-zfcpdump-coreUpgrade kernel-abi-stablelistsUpgrade kernel-rt-debug-modulesUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade kernel-64k-debug-devel-matched | May 31, 2024 | Feb 20, 2024 |
| Amazon Linux Ami 2 | — | Upgrade kernel-toolsUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade bpftool-debuginfoUpgrade kernel-develUpgrade kernel-tools-debuginfoUpgrade kernel-tools-develUpgrade bpftoolUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-livepatch-5.10.213-201.855Upgrade kernel-headersUpgrade python-perf-debuginfoUpgrade kernel-livepatch-5.15.152-100.162Upgrade python-perfUpgrade perf-debuginfoUpgrade kernel-debuginfo | Apr 2, 2024 | Feb 20, 2024 |
| Amazon_linux_2023 | — | Upgrade bpftoolUpgrade kernel-debuginfoUpgrade kernel-develUpgrade kernel-libbpf-staticUpgrade kernel-headersUpgrade kernelUpgrade kernel-tools-debuginfoUpgrade python3-perfUpgrade kernel-livepatch-6.1.79-99.164Upgrade kernel-libbpfUpgrade perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-libbpf-develUpgrade kernel-modules-extraUpgrade python3-perf-debuginfoUpgrade perfUpgrade kernel-tools-develUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade kernel-modules-extra-common | Feb 17, 2025 | Feb 20, 2024 |
| Debian | — | Upgrade linux | May 8, 2024 | Feb 20, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade bpftoolUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade kernel | Jun 3, 2024 | Feb 20, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade bpftoolUpgrade python3-perfUpgrade kernel | Jul 1, 2024 | Feb 20, 2024 |
| Oracle_linux | — | Upgrade kernel | May 14, 2024 | Feb 20, 2024 |
| Redhat_linux | — | Upgrade kernelNo solution existsUpgrade kernel-rt | May 23, 2024 | Feb 20, 2024 |
| Rocky_linux | — | Upgrade kernel-cross-headersUpgrade kernel-rt-debug-kvmUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-debug-develUpgrade kernel-debugUpgrade kernel-debug-develUpgrade kernel-debug-coreUpgrade kernel-debug-modules-extraUpgrade kernel-debuginfoUpgrade kernel-modules-extraUpgrade kernel-modulesUpgrade kernelUpgrade kernel-rt-coreUpgrade kernel-coreUpgrade kernel-tools-debuginfoUpgrade kernel-debug-modulesUpgrade kernel-headersUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rt-debug-modules-extraUpgrade perf-debuginfoUpgrade kernel-debug-debuginfoUpgrade python3-perfUpgrade kernel-rt-modules-extraUpgrade kernel-toolsUpgrade kernel-rt-modulesUpgrade kernel-tools-libs-develUpgrade kernel-rt-debugUpgrade kernel-rt-kvmUpgrade kernel-rt-develUpgrade kernel-rt-debug-debuginfoUpgrade kernel-rtUpgrade kernel-tools-libsUpgrade kernel-rt-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-develUpgrade perfUpgrade kernel-rt-debuginfo-common-x86_64Upgrade bpftoolUpgrade kernel-rt-debug-coreUpgrade bpftool-debuginfo | Jun 17, 2024 | Feb 20, 2024 |
| Suse | — | Upgrade dtb-freescaleUpgrade kernel-64kb-optionalUpgrade cluster-md-kmp-azureUpgrade dtb-amlogicUpgrade kernel-sourceUpgrade kernel-syms-azureUpgrade dtb-exynosUpgrade kernel-azure-extraUpgrade dtb-qcomUpgrade kernel-default-extraUpgrade kernel-default-vdsoUpgrade dlm-kmp-azureUpgrade kernel-64kbUpgrade dtb-apmUpgrade dtb-broadcomUpgrade dtb-appleUpgrade kernel-obs-qaUpgrade kernel-64kb-livepatch-develUpgrade kernel-macrosUpgrade kernel-kvmsmall-livepatch-develUpgrade dtb-amazonUpgrade dtb-hisiliconUpgrade kernel-azure-vdsoUpgrade kernel-64kb-develUpgrade cluster-md-kmp-defaultUpgrade gfs2-kmp-64kbUpgrade kernel-kvmsmallUpgrade kernel-zfcpdumpUpgrade kernel-debugUpgrade kselftests-kmp-defaultUpgrade kernel-kvmsmall-develUpgrade kernel-azure-livepatch-develUpgrade kernel-default-develUpgrade kernel-default-livepatchUpgrade kernel-devel-azureUpgrade dtb-lgUpgrade dtb-marvellUpgrade kernel-azure-develUpgrade dtb-mediatekUpgrade kernel-source-azureUpgrade kernel-debug-livepatch-develUpgrade dlm-kmp-64kbUpgrade kernel-symsUpgrade dtb-armUpgrade kselftests-kmp-64kbUpgrade dtb-sprdUpgrade kernel-azureUpgrade kernel-kvmsmall-vdsoUpgrade kernel-defaultUpgrade kernel-default-livepatch-develUpgrade reiserfs-kmp-64kbUpgrade dtb-alteraUpgrade kernel-debug-develUpgrade kernel-docsUpgrade dtb-renesasUpgrade kernel-default-base-rebuildUpgrade reiserfs-kmp-azureUpgrade kselftests-kmp-azureUpgrade kernel-azure-optionalUpgrade gfs2-kmp-defaultUpgrade kernel-obs-buildUpgrade kernel-default-optionalUpgrade dtb-allwinnerUpgrade dlm-kmp-defaultUpgrade cluster-md-kmp-64kbUpgrade kernel-default-baseUpgrade dtb-xilinxUpgrade kernel-docs-htmlUpgrade kernel-debug-vdsoUpgrade kernel-64kb-extraUpgrade dtb-nvidiaUpgrade gfs2-kmp-azureUpgrade ocfs2-kmp-defaultUpgrade dtb-socionextUpgrade dtb-rockchipUpgrade reiserfs-kmp-defaultUpgrade ocfs2-kmp-azureUpgrade kernel-source-vanillaUpgrade kernel-develUpgrade ocfs2-kmp-64kbUpgrade dtb-caviumUpgrade dtb-amd | Jun 24, 2024 | Feb 20, 2024 |
| Ubuntu | — | Upgrade linux-image-5.4.0-1097-gkeopUpgrade linux-image-5.4.0-1049-xilinx-zynqmpUpgrade linux-image-kvmUpgrade linux-image-5.15.0-112-generic-64kUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-azure-cvmUpgrade linux-image-oracleUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-oem-22.04dUpgrade linux-image-bluefieldUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.5.0-1018-azure-fdeUpgrade linux-image-5.15.0-1060-gkeUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-5.4.0-192-genericUpgrade linux-image-oem-20.04dUpgrade linux-image-5.15.0-1065-azure-fdeUpgrade linux-image-6.5.0-27-generic-64kUpgrade linux-image-6.5.0-27-lowlatencyUpgrade linux-image-5.4.0-1130-awsUpgrade linux-image-laptop-23.10Upgrade linux-image-6.5.0-1020-oracle-64kUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-virtualUpgrade linux-image-6.5.0-1019-oemUpgrade linux-image-5.15.0-1056-ibmUpgrade linux-image-gcpUpgrade linux-image-oracle-64kUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-raspi-nolpaeUpgrade linux-image-azure-fdeUpgrade linux-image-awsUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-5.15.0-1058-nvidia-lowlatencyUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-6.5.0-1020-oracleUpgrade linux-image-6.5.0-27-lowlatency-64kUpgrade linux-image-5.15.0-1058-raspiUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-6.5.0-1017-awsUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-oem-22.04bUpgrade linux-image-5.4.0-1129-oracleUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-raspi2Upgrade linux-image-5.4.0-1077-ibmUpgrade linux-image-6.5.0-1011-starfiveUpgrade linux-image-5.15.0-110-lowlatency-64kUpgrade linux-image-oem-20.04Upgrade linux-image-6.5.0-1013-laptopUpgrade linux-image-6.5.0-1017-gcpUpgrade linux-image-5.15.0-1061-oracleUpgrade linux-image-5.15.0-1078-azureUpgrade linux-image-oem-20.04bUpgrade linux-image-5.15.0-1062-gcpUpgrade linux-image-aws-lts-20.04Upgrade linux-image-azure-lts-20.04Upgrade linux-image-5.4.0-1090-bluefieldUpgrade linux-image-5.15.0-1058-intel-iotgUpgrade linux-image-intel-iotgUpgrade linux-image-5.15.0-1030-xilinx-zynqmpUpgrade linux-image-nvidiaUpgrade linux-image-gkeop-5.4Upgrade linux-image-oem-20.04cUpgrade linux-image-azureUpgrade linux-image-starfiveUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-5.4.0-192-generic-lpaeUpgrade linux-image-oem-osp1Upgrade linux-image-oem-22.04Upgrade linux-image-5.15.0-113-generic-64kUpgrade linux-image-lowlatencyUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-oem-22.04cUpgrade linux-image-generic-64kUpgrade linux-image-ibmUpgrade linux-image-raspiUpgrade linux-image-5.4.0-1135-azureUpgrade linux-image-6.5.0-1014-raspiUpgrade linux-image-lowlatency-64kUpgrade linux-image-gkeopUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-5.15.0-1075-azureUpgrade linux-image-6.5.0-27-genericUpgrade linux-image-aws-lts-22.04Upgrade linux-image-intelUpgrade linux-image-5.15.0-1058-nvidiaUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-5.15.0-112-genericUpgrade linux-image-oem-22.04aUpgrade linux-image-6.5.0-1018-azureUpgrade linux-image-gkeUpgrade linux-image-generic-lpaeUpgrade linux-image-5.15.0-112-generic-lpaeUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-azure-lts-22.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-5.15.0-1060-kvmUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-5.15.0-1063-awsUpgrade linux-image-5.4.0-1114-raspiUpgrade linux-image-genericUpgrade linux-image-5.15.0-1057-ibmUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-5.15.0-1046-gkeopUpgrade linux-image-5.4.0-1042-iotUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-5.4.0-1118-kvmUpgrade linux-image-5.15.0-113-generic-lpaeUpgrade linux-image-5.15.0-113-genericUpgrade linux-image-gke-5.15Upgrade linux-image-oemUpgrade linux-image-5.4.0-192-lowlatencyUpgrade linux-image-5.4.0-1134-gcpUpgrade linux-image-5.15.0-1066-azureUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-5.15.0-110-lowlatency | Apr 10, 2024 | Feb 20, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Feb 20, 2024 |
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