fix use-after-free in seq file in kernel-block CVE-2016-7910 [released]

asked 2017-05-03 12:55:26 +0200

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updated 2017-05-03 12:55:26 +0200

lpr
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http://www.uni-tuebingen....

Description

Use-after-free vulnerability in the disk_seqf_stop function in block/genhd.c in the Linux kernel before 4.7.1 allows local users to gain privileges by leveraging the execution of a certain stop operation even if the corresponding start operation had failed. CVSSv3 7.8 high (attack range: remote)

Patch is available.

File affected: kernel-adaptation-sbj-3.4.108.20161101.1/block/genhd.c lines 828-832