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ubuntucveUbuntu.comUB:CVE-2019-19319
HistoryNov 27, 2019 - 12:00 a.m.

CVE-2019-19319

2019-11-2700:00:00
ubuntu.com
ubuntu.com
25

4.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

0.001 Low

EPSS

Percentile

41.3%

JSON

In the Linux kernel before 5.2, a setxattr operation, after a mount of a
crafted ext4 image, can cause a slab-out-of-bounds write access because of
an ext4_xattr_set_entry use-after-free in fs/ext4/xattr.c when a large
old_size value is used in a memset call, aka CID-345c0dbf3a30.

Bugs

Notes

Author Note
tyhicks Exploiting this vulnerability requires a crafted filesystem image to be mounted
sbeattie it’s asserted by Jan Kara in the suse bug below that 345c0dbf3a30 (plus related commits) addresses the issue
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-66.75UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-184.214UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1052.54UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1073.77UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1109.120UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1052.54~16.04.1UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1061.66UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.15.0-1047.50UNKNOWN
ubuntu18.04noarchlinux-gke-4.15< 4.15.0-1046.49UNKNOWN
ubuntu18.04noarchlinux-gke-5.0< 5.0.0-1023.23~18.04.2UNKNOWN
Rows per page:
1-10 of 241

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4.4 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

0.001 Low

EPSS

Percentile

41.3%

JSON
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