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Vulnerability record · CVE-2017-16995 · published 27 December 2017

CVE-2017-16995: Linux kernel memory buffer overflow vulnerability

Linux · Linux Kernel

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.

7.8 CVSS 3.1 High EPSS 30% · top 1.8% CWE-119 · Memory buffer overflow
7.8CVSS 3.1 base score, v2 7.2
30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
28References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=95a762e2c8c942780948091f8f2a4f32fce1ac6f Vendor Advisory
http://openwall.com/lists/oss-security/2017/12/21/2 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/102288 Third Party AdvisoryVDB Entry
https://bugs.chromium.org/p/project-zero/issues/detail?id=1454 Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=a6132276ab5dcc38b3299082efeb25b948263adb Vendor Advisory
https://github.com/torvalds/linux/commit/95a762e2c8c942780948091f8f2a4f32fce1ac6f 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 AdvisoryVDB Entry
https://www.exploit-db.com/exploits/45010/ Third Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/45058/ Third Party AdvisoryVDB Entry
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=95a762e2c8c942780948091f8f2a4f32fce1ac6f Vendor Advisory
http://openwall.com/lists/oss-security/2017/12/21/2 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/102288 Third Party AdvisoryVDB Entry
https://bugs.chromium.org/p/project-zero/issues/detail?id=1454 Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=a6132276ab5dcc38b3299082efeb25b948263adb Vendor Advisory
https://github.com/torvalds/linux/commit/95a762e2c8c942780948091f8f2a4f32fce1ac6f 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 AdvisoryVDB Entry
https://www.exploit-db.com/exploits/45010/ Third Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/45058/ Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2017-16995), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.