vulnwire
5.5med

CVE-2016-6198

The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-har…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.6%
percentile 51%
Public exploits
0
none known

The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service (system crash) via a rename system call, related to fs/namei.c and fs/open.c.

Exploit prediction (EPSS)

0.64% probability of exploitation in the next 30 days, higher than 51% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD2.04.9AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
Technology feeds
Linux kernel (RSS, critical only)

References

  • oracle.com /technetwork/topics/security/ovmbulletinjul2016-3090546.html · x_refsource_CONFIRM, x_transferred
  • oracle.com /technetwork/topics/security/linuxbulletinjul2016-3090544.html · x_refsource_CONFIRM, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1847.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • github.com /torvalds/linux/commit/9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca · x_refsource_CONFIRM, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2584.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • securityfocus.com /bid/91709 · vdb-entry, x_refsource_BID, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1875.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2574.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • securitytracker.com /id/1036273 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d · x_refsource_CONFIRM, x_transferred
  • github.com /torvalds/linux/commit/54d5ca871e72f2bb172ec9323497f01cd5091ec7 · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2016/07/11/8 · mailing-list, x_refsource_MLIST, x_transferred
  • kernel.org /pub/linux/kernel/v4.x/ChangeLog-4.5.5 · x_refsource_CONFIRM, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1355654 · x_refsource_CONFIRM, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091 · x_refsource_CONFIRM, x_transferred

Sources

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