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CVE-2023-1077

HIGH
7
CVSS Score
Published: March 27, 2023 at 12:00 AM UTC
Updated: October 14, 2026 at 09:17 PM UTC
13 products affected across 4 vendorsLinux KernelDebian LinuxH700S Firmware· also runs on 10 platforms

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Severity
HIGH7
Exploit prediction
EPSS 0.3%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
10.0
Linux Kernel· Linux
95%
All versions2.6.25 ≤ v < 4.19.2934.20 ≤ v < 5.4.2355.11 ≤ v < 5.15.995.16 ≤ v < 6.1.165.5 ≤ v < 5.10.1736.2 ≤ v < 6.2.3
Affected range stops below 4.19.293, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.10.173, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.15.99, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.235, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.16, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.3, so it looks safe — our inference, not a vendor statement
8300 Firmware· NetApp
95%
All versions
netapp-8300 (same device)
8700 Firmware· NetApp
95%
All versions
netapp-8700 (same device)
A400 Firmware· NetApp
95%
All versions
netapp-a400 (same device)
A700S Firmware· NetApp
95%
All versions
netapp-a700s (same device)
C400 Firmware· NetApp
95%
All versions
netapp-c400 (same device)
H300S Firmware· NetAppdrupal
95%
All versions
netapp-h300s (same device)
H410C Firmware· NetAppdrupal
95%
All versions
netapp-h410c (same device)
H410S Firmware· NetAppdrupal
95%
All versions
netapp-h410s (same device)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

Mailing ListPatch
Source: [email protected]
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=7c4a5b89a0b5a57a64b601775b296abf77a9fe97
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
Mailing List
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20230511-0002/
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-794697.html

CVSS

7HIGH[email protected]
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-843

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