Published: 12/12/2019 Updated: 03/01/2020

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8

VMScore: 383

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

The Linux kernel prior to 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.

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linux linux kernel

Synopsis Important: kernel-rt security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel-rt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (C ...

Synopsis Important: kernel-alt security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel-alt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System ...

Synopsis Important: kernel security, bug fix, and enhancement update Type/Severity Security Advisory: Important Topic An update for kernel is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring S ...

Synopsis Moderate: kernel-rt security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for kernel-rt is now available for Red Hat Enterprise Linux 8Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring System (CVSS ...

Synopsis Moderate: kernel security, bug fix, and enhancement update Type/Severity Security Advisory: Moderate Topic An update for kernel is now available for Red Hat Enterprise Linux 8Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring Syst ...

Several security issues were fixed in the Linux kernel ...

CWE-416 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2 https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a https://bugzilla.kernel.org/show_bug.cgi?id=205609 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a https://bugzilla.kernel.org/show_bug.cgi?id=205707 https://security.netapp.com/advisory/ntap-20200103-0001/https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html https://usn.ubuntu.com/4258-1/https://usn.ubuntu.com/4287-1/https://usn.ubuntu.com/4287-2/https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html https://usn.ubuntu.com/4284-1/http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html https://nvd.nist.gov https://access.redhat.com/errata/RHSA-2020:4062 https://usn.ubuntu.com/4287-2/

CVE-2019-19767

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