CVE-2017-15115
The sctp_do_peeloff function in net/sctp/socket.c in the Linux kernel before 4.14 does not check whether the intended netns is used in a peel-off action, which allows local users to cause a denial of service (use-after-free and system crash) or possibly…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The sctp_do_peeloff function in net/sctp/socket.c in the Linux kernel before 4.14 does not check whether the intended netns is used in a peel-off action, which allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via crafted system calls.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.47% probability · 39th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel · debian/debian linux · suse/linux enterprise server · canonical/ubuntu linux
- Source
- secalert@redhat.com
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=df80cd9b28b9ebaa284a41df611dbf3a2d05ca74Issue Tracking, Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.htmlThird Party Advisory
- http://seclists.org/oss-sec/2017/q4/282Issue Tracking, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/101877Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1513345Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/df80cd9b28b9ebaa284a41df611dbf3a2d05ca74Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.htmlMailing List, Third Party Advisory
- https://patchwork.ozlabs.org/patch/827077/Issue Tracking, Patch, Third Party Advisory
- https://source.android.com/security/bulletin/pixel/2018-04-01Third Party Advisory
- https://usn.ubuntu.com/3581-1/Third Party Advisory
- https://usn.ubuntu.com/3581-2/Third Party Advisory
- https://usn.ubuntu.com/3581-3/Third Party Advisory
- https://usn.ubuntu.com/3582-1/Third Party Advisory
- https://usn.ubuntu.com/3582-2/Third Party Advisory
- https://usn.ubuntu.com/3583-1/Third Party Advisory
- https://usn.ubuntu.com/3583-2/Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=df80cd9b28b9ebaa284a41df611dbf3a2d05ca74Issue Tracking, Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.htmlThird Party Advisory
- http://seclists.org/oss-sec/2017/q4/282Issue Tracking, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/101877Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1513345Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/df80cd9b28b9ebaa284a41df611dbf3a2d05ca74Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.htmlMailing List, Third Party Advisory
- https://patchwork.ozlabs.org/patch/827077/Issue Tracking, Patch, Third Party Advisory
- https://source.android.com/security/bulletin/pixel/2018-04-01Third Party Advisory
- https://usn.ubuntu.com/3581-1/Third Party Advisory
- https://usn.ubuntu.com/3581-2/Third Party Advisory
- https://usn.ubuntu.com/3581-3/Third Party Advisory
- https://usn.ubuntu.com/3582-1/Third Party Advisory
- https://usn.ubuntu.com/3582-2/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.