CVE-2018-20856

HIGH

Linux Kernel < 4.18.7 - Use-After-Free in Block Core Queue Drain

Title source: llm

Description

An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.

References (24)

Core 24

Core References

Vendor Advisory x_refsource_confirm

https://security.netapp.com/advisory/ntap-20190905-0002/

Mailing List mailing-list x_refsource_bugtraq

https://seclists.org/bugtraq/2019/Aug/18

Mailing List mailing-list x_refsource_bugtraq

https://seclists.org/bugtraq/2019/Aug/26

Mailing List, Release Notes, Vendor Advisory x_refsource_misc

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7

Patch, Third Party Advisory x_refsource_misc

https://github.com/torvalds/linux/commit/54648cf1ec2d7f4b6a71767799c45676a138ca24

View Patch ZIP pw:eip

Mailing List, Patch, Vendor Advisory x_refsource_misc

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54648cf1ec2d7f4b6a71767799c45676a138ca24

Vendor Advisory vendor-advisory x_refsource_ubuntu

https://usn.ubuntu.com/4094-1/

Third Party Advisory vendor-advisory x_refsource_debian

https://www.debian.org/security/2019/dsa-4497

Mailing List mailing-list x_refsource_mlist

https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html

Exploit, Third Party Advisory x_refsource_misc

http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html

Vendor Advisory vendor-advisory x_refsource_ubuntu

https://usn.ubuntu.com/4116-1/

Vendor Advisory vendor-advisory x_refsource_ubuntu

https://usn.ubuntu.com/4118-1/

Exploit, Third Party Advisory x_refsource_misc

http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html

Vendor Advisory x_refsource_confirm

https://support.f5.com/csp/article/K14673240?utm_source=f5support&amp%3Butm_medium=RSS