CVE-2015-8746
fs/nfs/nfs4proc.c in the NFS client in the Linux kernel before 4.2.2 does not properly initialize memory for migration recovery operations, which allows remote NFS servers to cause a denial of service (NULL pointer dereference and panic) via crafted…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
fs/nfs/nfs4proc.c in the NFS client in the Linux kernel before 4.2.2 does not properly initialize memory for migration recovery operations, which allows remote NFS servers to cause a denial of service (NULL pointer dereference and panic) via crafted network traffic.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.10% probability · 87th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel
- Source
- security@debian.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=18e3b739fdc826481c6a1335ce0c5b19b3d415da
- http://rhn.redhat.com/errata/RHSA-2016-2574.html
- http://rhn.redhat.com/errata/RHSA-2016-2584.html
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.2
- http://www.openwall.com/lists/oss-security/2016/01/05/9
- http://www.securitytracker.com/id/1034594
- https://bugzilla.redhat.com/show_bug.cgi?id=1295802
- https://github.com/torvalds/linux/commit/18e3b739fdc826481c6a1335ce0c5b19b3d415daVendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=18e3b739fdc826481c6a1335ce0c5b19b3d415da
- http://rhn.redhat.com/errata/RHSA-2016-2574.html
- http://rhn.redhat.com/errata/RHSA-2016-2584.html
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.2
- http://www.openwall.com/lists/oss-security/2016/01/05/9
- http://www.securitytracker.com/id/1034594
- https://bugzilla.redhat.com/show_bug.cgi?id=1295802
- https://github.com/torvalds/linux/commit/18e3b739fdc826481c6a1335ce0c5b19b3d415daVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.