#VU90197 Use-after-free in Linux kernel
Vulnerability identifier: #VU90197
Vulnerability risk: Low
CVSSv3.1: 6.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-416
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the tx() function in drivers/block/aoe/aoenet.c, within the aoecmd_cfg_pkts() function in drivers/block/aoe/aoecmd.c. A local user can escalate privileges on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://git.kernel.org/stable/c/ad80c34944d7175fa1f5c7a55066020002921a99
http://git.kernel.org/stable/c/1a54aa506b3b2f31496731039e49778f54eee881
http://git.kernel.org/stable/c/faf0b4c5e00bb680e8e43ac936df24d3f48c8e65
http://git.kernel.org/stable/c/7dd09fa80b0765ce68bfae92f4e2f395ccf0fba4
http://git.kernel.org/stable/c/74ca3ef68d2f449bc848c0a814cefc487bf755fa
http://git.kernel.org/stable/c/eb48680b0255a9e8a9bdc93d6a55b11c31262e62
http://git.kernel.org/stable/c/079cba4f4e307c69878226fdf5228c20aa1c969c
http://git.kernel.org/stable/c/a16fbb80064634b254520a46395e36b87ca4731e
http://git.kernel.org/stable/c/f98364e926626c678fb4b9004b75cacf92ff0662
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
