CVE-2018-5333 Information

Description

In the Linux kernel through 4.14.13 the rds_cmsg_atomic function in net/rds/rdma.c mishandles cases where page pinning fails or an invalid address is supplied leading to an rds_atomic_free_op NULL pointer dereference.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7d11f77f84b27cef452cee332f4e469503084737 http://packetstormsecurity.com/files/156053/Reliable-Datagram-Sockets-RDS-rds_atomic_free_op-Privilege-Escalation.html http://www.securityfocus.com/bid/102510 https://access.redhat.com/errata/RHSA-2018:0470 https://github.com/torvalds/linux/commit/7d11f77f84b27cef452cee332f4e469503084737 https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html https://usn.ubuntu.com/3583-1/ https://usn.ubuntu.com/3583-2/ https://usn.ubuntu.com/3617-1/ https://usn.ubuntu.com/3617-2/ https://usn.ubuntu.com/3617-3/ https://usn.ubuntu.com/3619-1/ https://usn.ubuntu.com/3619-2/ https://usn.ubuntu.com/3632-1/ https://www.debian.org/security/2018/dsa-4187

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5