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2017-12-27
The check_stack_boundary function in kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging mishandling of invalid variable stack read operations.
| Products | Debian_linux, Linux_kernel |
| Type | Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) |
| First patch |
https://github.com/torvalds/linux/commit/ea25f914dc164c8d56b36147ecc86bc65f83c469 |
| Relevant file/s | ./kernel/bpf/verifier.c (modified, +1) |
| Links |
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea25f914dc164c8d56b36147ecc86bc65f83c469
• http://www.openwall.com/lists/oss-security/2017/12/21/2 |
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