vulnwire
5.5med

CVE-2018-13093

An issue was discovered in fs/xfs/xfs_icache.c in the Linux kernel through 4.17.3.

Published 8 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.7%
percentile 78%
Public exploits
0
none known

An issue was discovered in fs/xfs/xfs_icache.c in the Linux kernel through 4.17.3. There is a NULL pointer dereference and panic in lookup_slow() on a NULL inode->i_ops pointer when doing pathwalks on a corrupted xfs image. This occurs because of a lack of proper validation that cached inodes are free during allocation.

Exploit prediction (EPSS)

1.73% probability of exploitation in the next 30 days, higher than 78% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
Technology feeds
Linux kernel (RSS, critical only)

References

  • git.kernel.org /pub/scm/fs/xfs/xfs-linux.git/commit/?h=for-next&id=afca6c5b2595fc44383919fba740c194b0b76a · x_refsource_MISC, x_transferred
  • github.com /torvalds/linux/commit/afca6c5b2595fc44383919fba740c194b0b76aff · x_refsource_MISC, x_transferred
  • bugzilla.kernel.org /show_bug.cgi?id=199367 · x_refsource_MISC, x_transferred
  • access.redhat.com /errata/RHSA-2019:2043 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2019:2029 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • usn.ubuntu.com /4094-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • usn.ubuntu.com /4118-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.debian.org /debian-lts-announce/2020/03/msg00001.html · mailing-list, x_refsource_MLIST, x_transferred

Sources

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