In the ea_get function in fs/jfs/xattr.c in the Linux kernel up to and including 4.17.1, a memory corruption bug in JFS can be triggered by calling setxattr twice with two different extended attribute names on the same file. This vulnerability can be triggered by an unprivileged user with the ability to create files and execute programs. A kmalloc call is incorrect, leading to slab-out-of-bounds in jfs_xattr.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
linux linux kernel |
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canonical ubuntu linux 14.04 |
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canonical ubuntu linux 16.04 |
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canonical ubuntu linux 18.04 |
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