crypto/pcrypt.c in the Linux kernel before 4.14.13 mishandles freeing instances,...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.securityfocus.com/bid/102813
- https://usn.ubuntu.com/3619-2/
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.13
- https://access.redhat.com/errata/RHSA-2018:2948
- https://github.com/torvalds/linux/commit/d76c68109f37cb85b243a1cf0f40313afd2bae68
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d76c68109f37cb85b243a1cf0f40313afd2bae68
- https://usn.ubuntu.com/3619-1/
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
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