Note:
This project will be discontinued after December 13, 2021. [more]
2017-11-29
The init_new_context function in arch/x86/include/asm/mmu_context.h in the Linux kernel before 4.12.10 does not correctly handle errors from LDT table allocation when forking a new process, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program. This vulnerability only affected kernels built with CONFIG_MODIFY_LDT_SYSCALL=y.
Products | Linux_kernel |
Type | Use After Free (CWE-416) |
First patch |
https://github.com/torvalds/linux/commit/ccd5b3235180eef3cfec337df1c8554ab151b5cc |
Patches | http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccd5b3235180eef3cfec337df1c8554ab151b5cc |
Relevant file/s | ./arch/x86/include/asm/mmu_context.h (modified, +1, -3) |
Links |
• https://access.redhat.com/errata/RHSA-2018:0676
• https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.10 • http://www.securityfocus.com/bid/102010 |
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