CVE-2023-31436

Published on: Not Yet Published

Last Modified on: 08/18/2023 06:39:00 PM UTC

CVE-2023-31436

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Certain versions of Linux Kernel from Linux contain the following vulnerability:

qfq_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.

  • CVE-2023-31436 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.8 - HIGH

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
LOCAL LOW LOW NONE
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVE References

Description Tags ⓘ Link
Kernel Live Patch Security Notice LSN-0095-1 ≈ Packet Storm packetstormsecurity.com
text/html
 URL Logo MISC packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
CVE-2023-31436 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security security.netapp.com
text/html
 URL Logo CONFIRM security.netapp.com/advisory/ntap-20230609-0001/
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 www.spinics.net
text/html
 URL Logo MISC www.spinics.net/lists/stable-commits/msg294885.html
Kernel Live Patch Security Notice LSN-0096-1 ≈ Packet Storm packetstormsecurity.com
text/html
 URL Logo MISC packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
net: sched: sch_qfq: prevent slab-out-of-bounds in qfq_activate_agg · torvalds/linux@3037933 · GitHub github.com
text/html
 URL Logo MISC github.com/torvalds/linux/commit/3037933448f60f9acb705997eae62013ecb81e0d
[SECURITY] [DLA 3446-1] linux-5.10 security update lists.debian.org
text/html
 URL Logo MLIST [debian-lts-announce] 20230605 [SECURITY] [DLA 3446-1] linux-5.10 security update
Debian -- Security Information -- DSA-5402-1 linux www.debian.org
Depreciated Link
text/html
 URL Logo DEBIAN DSA-5402
cdn.kernel.org
text/plain
 URL Logo MISC cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.13
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Related QID Numbers

  • 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)
  • 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)
  • 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)
  • 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)
  • 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)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System		LinuxLinux KernelAllAllAllAll
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2023-31436 : qfq_change_class in net/sched/sch_qfq.c in the #Linux #kernel before 6.2.13 allows an out-of-bound… twitter.com/i/web/status/1… 2023-04-28 02:03:59
Twitter Icon @RedPacketSec Linux Kernel unspecified | CVE-2023-31436 - redpacketsecurity.com/linux-kernel-u… #CVE #Vulnerability #OSINT #ThreatIntel #Cyber 2023-04-29 09:03:26
Twitter Icon @gcpweekly Google Kubernetes Engine update on June 27, 2023 cloud.google.com/kubernetes-eng… #googlecloud With CVE-2023-31436, an out-o… twitter.com/i/web/status/1… 2023-06-27 15:03:00
Twitter Icon @gcpweekly Anthos clusters on Azure update on June 27, 2023 cloud.google.com/anthos/cluster… #googlecloud With CVE-2023-31436, an out-o… twitter.com/i/web/status/1… 2023-06-27 16:30:31
Twitter Icon @gcpweekly Security bulletin With CVE-2023-31436, an out-of-bounds memory access flaw was found in the Linux kernel's traffic… twitter.com/i/web/status/1… 2023-06-27 20:30:28
Twitter Icon @gcp_update_bot [2023-06-27][Anthos clusters on Azure]An out-of-bounds memory access flaw (CVE-2023-31436) in Linux kernel's QoS su… twitter.com/i/web/status/1… 2023-06-29 09:00:07
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