ASA-202102-23 log original external raw

Arch Linux Security Advisory ASA-202102-23 ========================================== Severity: Medium Date : 2021-02-12 CVE-ID : CVE-2021-3347 Package : linux Type : arbitrary code execution Remote : No Link : https://security.archlinux.org/AVG-1506 Summary ======= The package linux before version 5.10.12.arch1-1 is vulnerable to arbitrary code execution. Resolution ========== Upgrade to 5.10.12.arch1-1. # pacman -Syu "linux>=5.10.12.arch1-1" The problem has been fixed upstream in version 5.10.12.arch1. Workaround ========== None. Description =========== An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458. Impact ====== An attacker can escalate privileges on the system by abusing io_uring descriptor initialization. References ========== https://www.openwall.com/lists/oss-security/2021/01/29/1 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=12bb3f7f1b03d5913b3f9d4236a488aa7774dfe9 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04b79c55201f02ffd675e1231d731365e335c307 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c5cade200ab9a2a3be9e7f32a752c8d86b502ec7 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2156ac1934166d6deb6cd0f6ffc4c1076ec63697 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6ccc84f917d33312eb2846bd7b567639f585ad6d https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f2dac39d93987f7de1e20b3988c8685523247ae2 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34b1a1ce1458f50ef27c54e28eb9b1947012907a https://security.archlinux.org/CVE-2021-3347