CVEvulnerability
CVE-2017-18075
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-01-24
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-763
Description
crypto/pcrypt.c in the Linux kernel before 4.14.13 mishandles freeing instances, allowing a local user able to access the AF_ALG-based AEAD interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt (CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an incorrect pointer) or possibly have unspecified other impact by executing a crafted sequence of system calls.
Affected configurations
• linux linux kernel (>= 4.2 < 4.4.111)
• linux linux kernel (>= 4.5 < 4.9.76)
• linux linux kernel (>= 4.10 < 4.14.13)
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
Related
Weakness · CWE (1)
- CWE-763 Release of Invalid Pointer or Reference weakness
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d76c68109f37cb85b243a1cf0f40313afd2bae68 Issue Tracking, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/102813 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2948 Third Party Advisory
- https://github.com/torvalds/linux/commit/d76c68109f37cb85b243a1cf0f40313afd2bae68 Patch
- https://usn.ubuntu.com/3619-1/ Third Party Advisory
- https://usn.ubuntu.com/3619-2/ Third Party Advisory
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.13 Issue Tracking, Release Notes, Vendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d76c68109f37cb85b243a1cf0f40313afd2bae68 Issue Tracking, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/102813 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2948 Third Party Advisory
- https://github.com/torvalds/linux/commit/d76c68109f37cb85b243a1cf0f40313afd2bae68 Patch
- https://usn.ubuntu.com/3619-1/ Third Party Advisory
- https://usn.ubuntu.com/3619-2/ Third Party Advisory
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.13 Issue Tracking, Release Notes, Vendor Advisory