CVEvulnerability
CVE-2017-6347
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2017-03-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-125
Description
The ip_cmsg_recv_checksum function in net/ipv4/ip_sockglue.c in the Linux kernel before 4.10.1 has incorrect expectations about skb data layout, which allows local users to cause a denial of service (buffer over-read) or possibly have unspecified other impact via crafted system calls, as demonstrated by use of the MSG_MORE flag in conjunction with loopback UDP transmission.
Affected configurations
• linux linux kernel (>= 4.0 < 4.4.52)
• linux linux kernel (>= 4.5 < 4.9.13)
• linux linux kernel (>= 4.10 < 4.10.1)
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca4ef4574f1ee5252e2cd365f8f5d5bafd048f32 Patch, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.1 Patch, Release Notes, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/28/5 Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/96487 Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1427984 Issue Tracking, Patch, Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/ca4ef4574f1ee5252e2cd365f8f5d5bafd048f32 Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca4ef4574f1ee5252e2cd365f8f5d5bafd048f32 Patch, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.1 Patch, Release Notes, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/28/5 Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/96487 Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1427984 Issue Tracking, Patch, Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/ca4ef4574f1ee5252e2cd365f8f5d5bafd048f32 Patch, Third Party Advisory