CVE-2018-12233 (GCVE-0-2018-12233)

Vulnerability from cvelistv5 – Published: 2018-06-12 12:00 – Updated: 2024-08-05 08:30
VLAI?
Summary
In the ea_get function in fs/jfs/xattr.c in the Linux kernel through 4.17.1, a memory corruption bug in JFS can be triggered by calling setxattr twice with two different extended attribute names on the same file. This vulnerability can be triggered by an unprivileged user with the ability to create files and execute programs. A kmalloc call is incorrect, leading to slab-out-of-bounds in jfs_xattr.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
https://usn.ubuntu.com/3752-2/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/104452 vdb-entryx_refsource_BID
https://usn.ubuntu.com/3752-3/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3753-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3754-1/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://marc.info/?l=linux-kernel&m=152814391530549&w=2 x_refsource_MISC
https://lkml.org/lkml/2018/6/2/2 x_refsource_MISC
https://usn.ubuntu.com/3752-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3753-1/ vendor-advisoryx_refsource_UBUNTU
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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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