CVE-2015-8019
The skb_copy_and_csum_datagram_iovec function in net/core/datagram.c in the Linux kernel 3.14.54 and 3.18.22 does not accept a length argument, which allows local users to cause a denial of service (memory corruption) or possibly have unspecified other…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The skb_copy_and_csum_datagram_iovec function in net/core/datagram.c in the Linux kernel 3.14.54 and 3.18.22 does not accept a length argument, which allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact via a write system call followed by a recvmsg system call.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.38% probability · 31th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html
- http://patchwork.ozlabs.org/patch/530642/
- http://www.openwall.com/lists/oss-security/2015/10/27/11
- http://www.securityfocus.com/bid/77326
- https://bugzilla.redhat.com/show_bug.cgi?id=1276588
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html
- http://patchwork.ozlabs.org/patch/530642/
- http://www.openwall.com/lists/oss-security/2015/10/27/11
- http://www.securityfocus.com/bid/77326
- https://bugzilla.redhat.com/show_bug.cgi?id=1276588
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.