ALAS2-2019-1167


Amazon Linux 2 Security Advisory: ALAS-2019-1167
Advisory Release Date: 2019-03-08 00:39 Pacific
Severity: Important
References: CVE-2019-8912 

Issue Overview:

In the Linux kernel af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free (UAF) in sockfs_setattr. A local attacker can use this flaw to escalate privileges and take control of the system.(CVE-2019-8912 )


Affected Packages:

kernel


Issue Correction:
Run yum update kernel to update your system.

New Packages:
aarch64:
    kernel-4.14.104-95.84.amzn2.aarch64
    kernel-headers-4.14.104-95.84.amzn2.aarch64
    kernel-debuginfo-common-aarch64-4.14.104-95.84.amzn2.aarch64
    perf-4.14.104-95.84.amzn2.aarch64
    perf-debuginfo-4.14.104-95.84.amzn2.aarch64
    python-perf-4.14.104-95.84.amzn2.aarch64
    python-perf-debuginfo-4.14.104-95.84.amzn2.aarch64
    kernel-tools-4.14.104-95.84.amzn2.aarch64
    kernel-tools-devel-4.14.104-95.84.amzn2.aarch64
    kernel-tools-debuginfo-4.14.104-95.84.amzn2.aarch64
    kernel-devel-4.14.104-95.84.amzn2.aarch64
    kernel-debuginfo-4.14.104-95.84.amzn2.aarch64

i686:
    kernel-headers-4.14.104-95.84.amzn2.i686

src:
    kernel-4.14.104-95.84.amzn2.src

x86_64:
    kernel-4.14.104-95.84.amzn2.x86_64
    kernel-headers-4.14.104-95.84.amzn2.x86_64
    kernel-debuginfo-common-x86_64-4.14.104-95.84.amzn2.x86_64
    perf-4.14.104-95.84.amzn2.x86_64
    perf-debuginfo-4.14.104-95.84.amzn2.x86_64
    python-perf-4.14.104-95.84.amzn2.x86_64
    python-perf-debuginfo-4.14.104-95.84.amzn2.x86_64
    kernel-tools-4.14.104-95.84.amzn2.x86_64
    kernel-tools-devel-4.14.104-95.84.amzn2.x86_64
    kernel-tools-debuginfo-4.14.104-95.84.amzn2.x86_64
    kernel-devel-4.14.104-95.84.amzn2.x86_64
    kernel-debuginfo-4.14.104-95.84.amzn2.x86_64