CVE-2023-31436

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Summary

CVECVE-2023-31436
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-04-28 02:15:09 UTC
Updated2026-10-14 23:17:18 UTC
Descriptionqfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax can exceed QFQ_MIN_LMAX.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-787 | n/a | CWE-787 CWE-787 Out-of-bounds Write

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1ADPDECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected V1.1 custom Not specified

References

ReferenceSourceLinkTags
Patch "net: sched: sch_qfq: prevent slab-out-of-bounds in qfq_activate_agg" has been added to the 6.2-stable tree — Linux Stable Commits af854a3a-2127-422b-91ae-364da2661108 www.spinics.net Mailing List, Patch
net: sched: sch_qfq: prevent slab-out-of-bounds in qfq_activate_agg · torvalds/linux@3037933 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch
[SECURITY] [DLA 3446-1] linux-5.10 security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
Kernel Live Patch Security Notice LSN-0095-1 ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Third Party Advisory, VDB Entry
cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.13 af854a3a-2127-422b-91ae-364da2661108 cdn.kernel.org Mailing List, Patch
CVE-2023-31436 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
Debian -- Security Information -- DSA-5402-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org VDB Entry
cert-portal.siemens.com/productcert/html/ssa-806742.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
cert-portal.siemens.com/productcert/html/ssa-794697.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
Kernel Live Patch Security Notice LSN-0096-1 ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Third Party Advisory, VDB Entry
Kernel Live Patch Security Notice LSN-0099-1 ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 161147 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-7077)
  • 181781 Debian Security Update for linux (DSA 5402-1)
  • 181828 Debian Security Update for linux-5.10 (DLA 3446-1)
  • 183056 Debian Security Update for linux (CVE-2023-31436)
  • 199382 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6127-1)
  • 199384 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6132-1)
  • 199386 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6131-1)
  • 199390 Ubuntu Security Notification for Linux kernel (Azure CVM) Vulnerabilities (USN-6135-1)
  • 199406 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6150-1)
  • 199413 Ubuntu Security Notification for Linux kernel (Intel IoTG) Vulnerabilities (USN-6162-1)
  • 199421 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-6173-1)
  • 199422 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6175-1)
  • 199437 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6186-1)
  • 199465 Ubuntu Security Notification for Linux kernel (Xilinx ZynqMP) Vulnerabilities (USN-6222-1)
  • 199471 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6130-1)
  • 199539 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6149-1)
  • 199614 Ubuntu Security Notification for Linux kernel (IoT) Vulnerabilities (USN-6256-1)
  • 199764 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-6385-1)
  • 199874 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6460-1)
  • 242434 Red Hat Update for kernel-rt security (RHSA-2023:6901)
  • 242451 Red Hat Update for kernel security (RHSA-2023:7077)
  • 242728 Red Hat Update for kpatch-patch (RHSA-2024:0378)
  • 242769 Red Hat Update for kpatch-patch (RHSA-2024:0554)
  • 242789 Red Hat Update for kernel (RHSA-2024:0575)
  • 242855 Red Hat Update for kernel (RHSA-2024:0412)
  • 243055 Red Hat Update for kernel (RHSA-2024:1268)
  • 243057 Red Hat Update for kpatch-patch (RHSA-2024:1278)
  • 243058 Red Hat Update for kernel-rt (RHSA-2024:1269)
  • 243068 Red Hat Update for kpatch-patch (RHSA-2024:1323)
  • 243076 Red Hat Update for kernel (RHSA-2024:1367)
  • 243085 Red Hat Update for kpatch-patch (RHSA-2024:1377)
  • 243096 Red Hat Update for kernel-rt (RHSA-2024:1382)
  • 355083 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2023-032
  • 355088 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2023-045
  • 355100 Amazon Linux Security Advisory for kernel : ALAS2-2023-2035
  • 355101 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2023-018
  • 355103 Amazon Linux Security Advisory for kernel : ALAS-2023-1744
  • 355237 Amazon Linux Security Advisory for kernel : ALAS2023-2023-179
  • 378710 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0079)
  • 378889 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2023:0036)
  • 379043 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0136)
  • 6140098 AWS Bottlerocket Security Update for kernel (GHSA-fqrx-jw8q-x47m)
  • 673214 EulerOS Security Update for kernel (EulerOS-SA-2023-2383)
  • 673232 EulerOS Security Update for kernel (EulerOS-SA-2023-2357)
  • 673261 EulerOS Security Update for kernel (EulerOS-SA-2023-2614)
  • 673272 EulerOS Security Update for kernel (EulerOS-SA-2023-2584)
  • 673393 EulerOS Security Update for kernel (EulerOS-SA-2023-2647)
  • 673498 EulerOS Security Update for kernel (EulerOS-SA-2023-3132)
  • 674113 EulerOS Security Update for kernel (EulerOS-SA-2023-2689)
  • 754097 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2507-1)
  • 754105 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2537-1)
  • 754106 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2534-1)
  • 754110 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2538-1)
  • 754120 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2611-1)
  • 754145 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:2651-1)
  • 755851 SUSE Enterprise Linux Security Update for the linux kernel (SUSE-SU-2023:2646-1)
  • 906892 Common Base Linux Mariner (CBL-Mariner) Security Update for hyperv-daemons (26659-1)
  • 906909 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (26391-1)
  • 906926 Common Base Linux Mariner (CBL-Mariner) Security Update for hyperv-daemons (26668-1)
  • 906962 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (26385-1)
  • 941453 AlmaLinux Security Update for kernel (ALSA-2023:7077)

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