CVE-2017-16995
high-risk
Published 2017-12-27
The check_alu_op function in kernel/bpf/verifier.c in the Linux kernel through 4.4 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging incorrect sign extension.
Do I need to act?
!
82.8% chance of exploitation in next 30 days
EPSS score — higher than 17% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10
High
LOCAL
/ LOW complexity
Affected Products (4)
References (28)
Mailing List
http://openwall.com/lists/oss-security/2017/12/21/2
Third Party Advisory
http://www.securityfocus.com/bid/102288
Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1454
Third Party Advisory
https://github.com/torvalds/linux/commit/95a762e2c8c942780948091f8f2a4f32fce1ac6...
Third Party Advisory
https://usn.ubuntu.com/3619-1/
Third Party Advisory
https://usn.ubuntu.com/3619-2/
Third Party Advisory
https://usn.ubuntu.com/3633-1/
Third Party Advisory
https://usn.ubuntu.com/usn/usn-3523-2/
Third Party Advisory
https://www.debian.org/security/2017/dsa-4073
Third Party Advisory
https://www.exploit-db.com/exploits/44298/
Third Party Advisory
https://www.exploit-db.com/exploits/45010/
Third Party Advisory
https://www.exploit-db.com/exploits/45058/
Mailing List
http://openwall.com/lists/oss-security/2017/12/21/2
Third Party Advisory
http://www.securityfocus.com/bid/102288
Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1454
Third Party Advisory
https://github.com/torvalds/linux/commit/95a762e2c8c942780948091f8f2a4f32fce1ac6...
and 8 more references
61
/ 100
high-risk
Severity
24/34 · High
Exploitability
27/34 · High
Exposure
10/34 · Low