CVE-2023-1077

High

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.

Package Linux Kernel
Published 2023-03-27
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

7.0

out of 10
High
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-843

CVE-2023-1077 is classified as CWE-843

See CWE-843 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2023-1077 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2023-1077?

    CVE-2023-1077 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 . CVE-2023-1077 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2023-1077?

    CVE-2023-1077 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2023-1077?

    No patch is currently available for CVE-2023-1077. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2023-1077 actively exploited?

    No — CVE-2023-1077 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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