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In the Linux kernel, the following vulnerability has been resolved:
udf: Fix NULL pointer dereference in udf_symlink function
In function udf_symlink, epos.bh is assigned with the value returned by udf_tgetblk. The function udf_tgetblk is defined in udf/misc.c and returns the value of sb_getblk function that could be NULL. Then, epos.bh is used without any check, causing a possible NULL pointer dereference when sb_getblk fails.
This fix adds a check to validate the value of epos.bh.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade perfUpgrade kernel-debug-coreUpgrade kernel-rt-debug-modules-extraUpgrade kernel-docUpgrade kernel-coreUpgrade kernel-rt-coreUpgrade kernel-debug-develUpgrade kernel-rt-debug-kvmUpgrade kernel-rt-debug-develUpgrade kernel-abi-stablelistsUpgrade kernel-modulesUpgrade kernel-zfcpdump-develUpgrade kernel-debugUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-modules-extraUpgrade kernel-rt-modulesUpgrade kernel-rt-debug-modulesUpgrade kernel-headersUpgrade kernel-debug-modules-extraUpgrade kernel-zfcpdumpUpgrade kernel-rt-debugUpgrade kernelUpgrade bpftoolUpgrade kernel-rtUpgrade kernel-rt-kvmUpgrade kernel-rt-modules-extraUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-debug-coreUpgrade kernel-develUpgrade kernel-tools-libsUpgrade kernel-tools-libs-develUpgrade kernel-cross-headersUpgrade kernel-rt-develUpgrade kernel-toolsUpgrade kernel-zfcpdump-modulesUpgrade kernel-debug-modulesUpgrade python3-perf | Jul 3, 2024 | May 21, 2024 |
| Amazon Linux Ami 2 | — | Upgrade python-perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-headersUpgrade kernel-livepatch-5.10.59-52.142Upgrade kernel-toolsUpgrade bpftoolUpgrade bpftool-debuginfoUpgrade python-perfUpgrade kernel-livepatch-4.14.241-184.433Upgrade kernel-debuginfo-common-x86_64Upgrade perfUpgrade kernel-debuginfoUpgrade kernelUpgrade kernel-develUpgrade kernel-tools-develUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfo | May 21, 2025 | May 21, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | May 21, 2024 |
| Huawei Euleros 2_0_sp10 | — | Upgrade python3-perfUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernel-tools | Oct 8, 2024 | May 21, 2024 |
| Huawei Euleros 2_0_sp9 | — | Upgrade python3-perfUpgrade kernelUpgrade kernel-toolsUpgrade kernel-tools-libs | Oct 8, 2024 | May 21, 2024 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Jul 3, 2024 | May 21, 2024 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernelNo solution exists | Jul 3, 2024 | May 21, 2024 |
| Rocky_linux | — | Upgrade kernel-debug-modules-extraUpgrade kernel-rt-debug-debuginfoUpgrade kernel-rt-develUpgrade bpftoolUpgrade kernel-rtUpgrade kernel-rt-kvmUpgrade kernel-debug-debuginfoUpgrade kernel-toolsUpgrade bpftool-debuginfoUpgrade kernel-tools-libs-develUpgrade kernel-rt-modules-extraUpgrade kernel-rt-debuginfoUpgrade kernel-rt-modulesUpgrade perfUpgrade kernel-debug-modulesUpgrade kernel-rt-debug-coreUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rt-debug-develUpgrade perf-debuginfoUpgrade kernel-develUpgrade python3-perf-debuginfoUpgrade kernel-debugUpgrade kernelUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-debug-kvmUpgrade kernel-cross-headersUpgrade kernel-rt-debug-modules-extraUpgrade kernel-modulesUpgrade kernel-headersUpgrade kernel-rt-debugUpgrade kernel-debug-develUpgrade kernel-rt-coreUpgrade kernel-modules-extraUpgrade kernel-debug-coreUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-tools-libsUpgrade kernel-tools-debuginfoUpgrade python3-perfUpgrade kernel-core | Jul 16, 2024 | May 21, 2024 |
| Suse | — | Upgrade kernel-preempt-develUpgrade reiserfs-kmp-defaultUpgrade kernel-azureUpgrade kernel-develUpgrade kernel-defaultUpgrade kernel-azure-baseUpgrade kernel-obs-buildUpgrade kernel-default-baseUpgrade kernel-symsUpgrade kernel-64kb-develUpgrade kernel-zfcpdumpUpgrade kernel-syms-azureUpgrade kernel-devel-azureUpgrade kernel-source-azureUpgrade kernel-docsUpgrade kernel-default-extraUpgrade kernel-sourceUpgrade kernel-azure-develUpgrade kernel-64kbUpgrade kernel-macrosUpgrade kernel-default-manUpgrade kernel-preemptUpgrade kernel-default-devel | Aug 9, 2024 | May 21, 2024 |
| Ubuntu | — | Upgrade linux-image-fipsUpgrade linux-image-4.4.0-269-lowlatencyUpgrade linux-image-4.4.0-1182-awsUpgrade linux-image-genericUpgrade linux-image-generic-lts-xenialUpgrade linux-image-lowlatencyUpgrade linux-image-4.4.0-1145-kvmUpgrade linux-image-4.4.0-1114-fipsUpgrade linux-image-4.4.0-1144-awsUpgrade linux-image-virtual-lts-xenialUpgrade linux-image-virtualUpgrade linux-image-4.4.0-269-genericUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-awsUpgrade linux-image-kvm | Nov 19, 2024 | May 21, 2024 |
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