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
5.2%
A time-of-check to time-of-use issue exists in io_uring subsystem’s
IORING_OP_CLOSE operation in the Linux kernel’s versions 5.6 - 5.11
(inclusive), which allows a local user to elevate their privileges to root.
Introduced in b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb, patched in
9eac1904d3364254d622bf2c771c4f85cd435fc2, backported to stable in
788d0824269bef539fe31a785b1517882eafed93.
git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=788d0824269bef539fe31a785b1517882eafed93
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9eac1904d3364254d622bf2c771c4f85cd435fc2
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb
kernel.dance/788d0824269bef539fe31a785b1517882eafed93
kernel.dance/9eac1904d3364254d622bf2c771c4f85cd435fc2
launchpad.net/bugs/cve/CVE-2023-1295
nvd.nist.gov/vuln/detail/CVE-2023-1295
security-tracker.debian.org/tracker/CVE-2023-1295
www.cve.org/CVERecord?id=CVE-2023-1295
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
5.2%