vulnerability
Red Hat: CVE-2018-1095: Important: kernel-alt security, bug fix, and enhancement update (RHSA-2018:2948)
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
7 | (AV:N/AC:M/Au:N/C:N/I:N/A:C) | 2018-04-01 | 2018-10-31 | 2023-02-14 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
2018-04-01
Added
2018-10-31
Modified
2023-02-14
Description
The ext4_xattr_check_entries function in fs/ext4/xattr.c in the Linux kernel through 4.15.15 does not properly validate xattr sizes, which causes misinterpretation of a size as an error code, and consequently allows attackers to cause a denial of service (get_acl NULL pointer dereference and system crash) via a crafted ext4 image.
Solution
redhat-upgrade-kernel
References

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