CVE-2018-1092
Vulnerability from cvelistv5
Published
2018-04-02 03:00
Modified
2024-08-05 03:51
Severity ?
Summary
The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.
References
secalert@redhat.comhttp://openwall.com/lists/oss-security/2018/03/29/1Mailing List, Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:2948
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:3083
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2018:3096
secalert@redhat.comhttps://bugzilla.kernel.org/show_bug.cgi?id=199179Issue Tracking
secalert@redhat.comhttps://bugzilla.kernel.org/show_bug.cgi?id=199275Issue Tracking
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1560777Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=8e4b5eae5decd9dfe5a4ee369c22028f90ab4c44Patch
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
secalert@redhat.comhttps://usn.ubuntu.com/3676-1/
secalert@redhat.comhttps://usn.ubuntu.com/3676-2/
secalert@redhat.comhttps://usn.ubuntu.com/3677-1/
secalert@redhat.comhttps://usn.ubuntu.com/3677-2/
secalert@redhat.comhttps://usn.ubuntu.com/3678-1/
secalert@redhat.comhttps://usn.ubuntu.com/3678-2/
secalert@redhat.comhttps://usn.ubuntu.com/3678-3/
secalert@redhat.comhttps://usn.ubuntu.com/3678-4/
secalert@redhat.comhttps://usn.ubuntu.com/3754-1/
secalert@redhat.comhttps://www.debian.org/security/2018/dsa-4187
secalert@redhat.comhttps://www.debian.org/security/2018/dsa-4188
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2018/03/29/1Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:2948
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3083
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3096
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.kernel.org/show_bug.cgi?id=199179Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.kernel.org/show_bug.cgi?id=199275Issue Tracking
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1560777Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=8e4b5eae5decd9dfe5a4ee369c22028f90ab4c44Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3676-1/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3676-2/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3677-1/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3677-2/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3678-1/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3678-2/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3678-3/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3678-4/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3754-1/
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4187
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4188
Impacted products
Vendor Product Version
Show details on NVD website

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  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.