7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.5 Low
CVSS2
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:H/Au:S/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
5.3%
In the Linux kernel, pick_next_rt_entity() may return a type confused
entry, not detected by the BUG_ON condition, as the confused entry will not
be NULL, but list_head.The buggy error condition would lead to a type
confused entry with the list head,which would then be used as a type
confused sched_rt_entity,causing memory corruption.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | < any | UNKNOWN |
ubuntu | 20.04 | noarch | linux | < 5.4.0-152.169 | UNKNOWN |
ubuntu | 22.04 | noarch | linux | < 5.15.0-75.82 | UNKNOWN |
ubuntu | 22.10 | noarch | linux | < 5.19.0-45.46 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < any | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1104.112 | UNKNOWN |
ubuntu | 22.04 | noarch | linux-aws | < 5.15.0-1038.43 | UNKNOWN |
ubuntu | 22.10 | noarch | linux-aws | < 5.19.0-1027.28 | UNKNOWN |
ubuntu | 23.04 | noarch | linux-aws | < 6.2.0-1003.3 | UNKNOWN |
ubuntu | 23.10 | noarch | linux-aws | < 6.2.0-1003.3 | UNKNOWN |
git.kernel.org/linus/7c4a5b89a0b5a57a64b601775b296abf77a9fe97
launchpad.net/bugs/cve/CVE-2023-1077
nvd.nist.gov/vuln/detail/CVE-2023-1077
seclists.org/oss-sec/2023/q1/126
security-tracker.debian.org/tracker/CVE-2023-1077
ubuntu.com/security/notices/USN-6033-1
ubuntu.com/security/notices/USN-6171-1
ubuntu.com/security/notices/USN-6172-1
ubuntu.com/security/notices/USN-6185-1
ubuntu.com/security/notices/USN-6187-1
ubuntu.com/security/notices/USN-6207-1
ubuntu.com/security/notices/USN-6222-1
ubuntu.com/security/notices/USN-6223-1
ubuntu.com/security/notices/USN-6256-1
www.cve.org/CVERecord?id=CVE-2023-1077
7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.5 Low
CVSS2
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:H/Au:S/C:P/I:P/A:P
0.0004 Low
EPSS
Percentile
5.3%