CVE-2017-17807 (GCVE-0-2017-17807)

Vulnerability from cvelistv5 – Published: 2017-12-20 23:00 – Updated: 2024-08-05 20:59
VLAI?
Summary
The KEYS subsystem in the Linux kernel before 4.14.6 omitted an access-control check when adding a key to the current task's "default request-key keyring" via the request_key() system call, allowing a local user to use a sequence of crafted system calls to add keys to a keyring with only Search permission (not Write permission) to that keyring, related to construct_get_dest_keyring() in security/keys/request_key.c.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
http://git.kernel.org/cgit/linux/kernel/git/torva… x_refsource_CONFIRM
http://www.securityfocus.com/bid/102301 vdb-entryx_refsource_BID
https://usn.ubuntu.com/3617-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3619-2/ vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2018/dsa-4082 vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/3617-3/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3632-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3620-2/ vendor-advisoryx_refsource_UBUNTU
https://github.com/torvalds/linux/commit/4dca6ea1… x_refsource_CONFIRM
https://www.debian.org/security/2017/dsa-4073 vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/3617-2/ vendor-advisoryx_refsource_UBUNTU
https://www.kernel.org/pub/linux/kernel/v4.x/Chan… x_refsource_CONFIRM
https://usn.ubuntu.com/3620-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3619-1/ vendor-advisoryx_refsource_UBUNTU
Show details on NVD website
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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