CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
83.4%
In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the
__blk_add_trace function in kernel/trace/blktrace.c (which is used to fill
out a blk_io_trace structure and place it in a per-cpu sub-buffer).
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | < 4.15.0-99.100 | UNKNOWN |
ubuntu | 19.10 | noarch | linux | < 5.3.0-51.44 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-178.208 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1066.70 | UNKNOWN |
ubuntu | 19.10 | noarch | linux-aws | < 5.3.0-1017.18 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1066.70 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1106.117 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws-5.3 | < 5.3.0-1017.18~18.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws-hwe | < 4.15.0-1066.70~16.04.1 | UNKNOWN |
ubuntu | 19.10 | noarch | linux-azure | < 5.3.0-1020.21 | UNKNOWN |
bugzilla.kernel.org/show_bug.cgi?id=205711
launchpad.net/bugs/cve/CVE-2019-19768
lore.kernel.org/linux-block/[email protected]/
nvd.nist.gov/vuln/detail/CVE-2019-19768
security-tracker.debian.org/tracker/CVE-2019-19768
ubuntu.com/security/notices/USN-4342-1
ubuntu.com/security/notices/USN-4344-1
ubuntu.com/security/notices/USN-4345-1
ubuntu.com/security/notices/USN-4346-1
www.cve.org/CVERecord?id=CVE-2019-19768
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
83.4%