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This project will be discontinued after December 13, 2021. [more]
2018-07-03
An issue was discovered in fs/xfs/xfs_icache.c in the Linux kernel through 4.17.3. There is a NULL pointer dereference and panic in lookup_slow() on a NULL inode->i_ops pointer when doing pathwalks on a corrupted xfs image. This occurs because of a lack of proper validation that cached inodes are free during allocation.
| Products | Linux_kernel |
| Type | NULL Pointer Dereference (CWE-476) |
| First patch |
https://github.com/torvalds/linux/commit/afca6c5b2595fc44383919fba740c194b0b76aff |
| Relevant file/s | ./fs/xfs/xfs_icache.c (modified, +48, -25) |
| Links |
• https://access.redhat.com/errata/RHSA-2019:2043
• https://access.redhat.com/errata/RHSA-2019:2029 • https://bugzilla.kernel.org/show_bug.cgi?id=199367 • https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/?h=for-next&id=afca6c5b2595fc44383919fba740c194b0b76aff |
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