UBUNTU-CVE-2017-10661

Details

Race condition in fs/timerfd.c in the Linux kernel before 4.10.15 allows local users to gain privileges or cause a denial of service (list corruption or use-after-free) via simultaneous file-descriptor operations that leverage improper might_cancel queueing.

Affected Packages(21 packages)

linux

Ubuntu 14.04 LTS

Fixed in:

3.13.0-135.184

linux-lts-xenial

Ubuntu 14.04 LTS

Fixed in:

4.4.0-79.100~14.04.1

linux

Ubuntu 16.04 LTS

Fixed in:

4.4.0-79.100

linux-aws

Ubuntu 16.04 LTS

Fixed in:

4.4.0-1018.27

linux-gke

Ubuntu 16.04 LTS

Fixed in:

4.4.0-1014.14

linux-hwe

Ubuntu 16.04 LTS

Fixed in:

4.10.0-32.36~16.04.1

linux-raspi2

Ubuntu 16.04 LTS

Fixed in:

4.4.0-1057.64

linux-snapdragon

Ubuntu 16.04 LTS

Fixed in:

4.4.0-1059.63

linux-azure-fde

Ubuntu 20.04 LTS

Affected versions:

5.4.0-1063.66+cvm2.25.4.0-1063.66+cvm3.25.4.0-1064.67+cvm1.15.4.0-1065.68+cvm2.15.4.0-1067.70+cvm1.15.4.0-1068.71+cvm1.15.4.0-1069.72+cvm1.15.4.0-1070.73+cvm1.15.4.0-1072.75+cvm1.15.4.0-1073.76+cvm1.1+16 more

linux-gke

Ubuntu 20.04 LTS

Affected versions:

5.4.0-1033.355.4.0-1035.375.4.0-1036.385.4.0-1037.395.4.0-1039.415.4.0-1041.435.4.0-1042.445.4.0-1043.455.4.0-1044.465.4.0-1046.48+41 more

References

REPORT

https://ubuntu.com/security/CVE-2017-10661

ADVISORY

https://ubuntu.com/security/notices/USN-3470-1

ADVISORY

https://ubuntu.com/security/notices/USN-3470-2

REPORT

https://www.cve.org/CVERecord?id=CVE-2017-10661