CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
AI Score
Confidence
High
EPSS
Percentile
17.1%
A heap-based buffer over-read vulnerability was found in the X.org server’s ProcXIPassiveGrabDevice() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly when triggered by a client with a different endianness. This vulnerability could be exploited by an attacker to cause the X server to read heap memory values and then transmit them back to the client until encountering an unmapped page, resulting in a crash. Despite the attacker’s inability to control the specific memory copied into the replies, the small length values typically stored in a 32-bit integer can result in significant attempted out-of-bounds reads.
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access.redhat.com/errata/RHSA-2024:1785
access.redhat.com/errata/RHSA-2024:2036
access.redhat.com/errata/RHSA-2024:2037
access.redhat.com/errata/RHSA-2024:2038
access.redhat.com/errata/RHSA-2024:2039
access.redhat.com/errata/RHSA-2024:2040
access.redhat.com/errata/RHSA-2024:2041
access.redhat.com/errata/RHSA-2024:2042
access.redhat.com/errata/RHSA-2024:2080
access.redhat.com/errata/RHSA-2024:2616
access.redhat.com/errata/RHSA-2024:3258
access.redhat.com/errata/RHSA-2024:3261
access.redhat.com/errata/RHSA-2024:3343
access.redhat.com/security/cve/CVE-2024-31081
bugzilla.redhat.com/show_bug.cgi?id=2271998
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
AI Score
Confidence
High
EPSS
Percentile
17.1%