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ubuntucveUbuntu.comUB:CVE-2017-18241
HistoryMar 21, 2018 - 12:00 a.m.

CVE-2017-18241

2018-03-2100:00:00
ubuntu.com
ubuntu.com
13

0.0004 Low

EPSS

Percentile

5.2%

fs/f2fs/segment.c in the Linux kernel before 4.13 allows local users to
cause a denial of service (NULL pointer dereference and panic) by using a
noflush_merge option that triggers a NULL value for a flush_cmd_control
data structure.

Notes

Author Note
ppisati fixes a case in the F2FS_FS, when the fs is mounted with the ‘noflush_merge’ option, but support for flush coalition was introduced in: 6b4afdd794783fe515b50838aa36591e3feea990
tyhicks The affected user base for this issue is likely small since f2fs is not the default filesystem and it is not widely used in Ubuntu
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