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This project will be discontinued after December 13, 2021. [more]
2017-08-19
The sanity_check_ckpt function in fs/f2fs/super.c in the Linux kernel before 4.12.4 does not validate the blkoff and segno arrays, which allows local users to gain privileges via unspecified vectors.
| Products | Linux_kernel |
| Type | Improper Validation of Array Index (CWE-129) |
| First patch |
https://github.com/torvalds/linux/commit/15d3042a937c13f5d9244241c7a9c8416ff6e82a |
| Patches | http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15d3042a937c13f5d9244241c7a9c8416ff6e82a |
| Relevant file/s | ./fs/f2fs/super.c (modified, +16) |
| Links |
• https://source.android.com/security/bulletin/2017-08-01
• https://bugzilla.redhat.com/show_bug.cgi?id=1481149 • http://www.securityfocus.com/bid/100215 • http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4 |
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