Vulnerability CVE-2018-11506
Published: 2018-05-28

Description:
The sr_do_ioctl function in drivers/scsi/sr_ioctl.c in the Linux kernel through 4.16.12 allows local users to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact because sense buffers have different sizes at the CDROM layer and the SCSI layer, as demonstrated by a CDROMREADMODE2 ioctl call.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Linux -> Linux kernel 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f7068114d45ec55996b9040e98111afa56e010fe
https://access.redhat.com/errata/RHSA-2018:2948
https://github.com/torvalds/linux/commit/f7068114d45ec55996b9040e98111afa56e010fe
https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html
https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html
https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
https://twitter.com/efrmv/status/1001574894273007616
https://usn.ubuntu.com/3752-1/
https://usn.ubuntu.com/3752-2/
https://usn.ubuntu.com/3752-3/
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