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TI-2023-01997 Aliases CVE-2023-2124

Out-of-bounds write in Kernel

Priority LOW 35CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 29 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

An out-of-bounds memory access flaw was found in the Linux kernel’s XFS file system in how a user restores an XFS image after failure (with a dirty log journal). This flaw allows a local user to crash or potentially escalate their privileges on the system.

Why it matters now

EPSS 0.00487 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 12 advisoriesRed Hat: 29 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—KernelLinux kernel 6.4-rc1—No fix listedCNA
  • Kernel Vendor— Affected Linux kernel 6.4-rc1 Fixed in — No fix listed CNA

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 6.4VulnerableLinux
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*12.0VulnerableDebian
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 6.4 Vulnerable ·Linux
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Debian
  • cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
  • cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp

Remediation

Red Hat 12 advisories

  • RHSA-2023:4962 Released 2023-09-05 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.103.1.el8_4, kernel-4.18.0-305.103.1.el8_4, kernel-abi-stablelists-4.18.0-305.103.1.el8_4 +14
    • Red Hat Enterprise Linux BaseOS E4S (v.8.4) bpftool-4.18.0-305.103.1.el8_4, kernel-4.18.0-305.103.1.el8_4, kernel-abi-stablelists-4.18.0-305.103.1.el8_4 +19
    • Red Hat Enterprise Linux BaseOS TUS (v.8.4) bpftool-4.18.0-305.103.1.el8_4, kernel-4.18.0-305.103.1.el8_4, kernel-abi-stablelists-4.18.0-305.103.1.el8_4 +14
  • RHSA-2023:4961 Released 2023-09-05 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux NFV E4S (v.8.4) kernel-rt-4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-core-4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-debug-4.18.0-305.103.1.rt7.178.el8_4 +9
    • Red Hat Enterprise Linux NFV TUS (v.8.4) kernel-rt-4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-core-4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-debug-4.18.0-305.103.1.rt7.178.el8_4 +9
    • Red Hat Enterprise Linux RT TUS (v.8.4) kernel-rt-4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-core-4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-debug-4.18.0-305.103.1.rt7.178.el8_4 +7
  • RHSA-2023:4815 Released 2023-08-29 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux BaseOS AUS (v. 8.2) bpftool-4.18.0-193.113.1.el8_2, kernel-4.18.0-193.113.1.el8_2, kernel-abi-whitelists-4.18.0-193.113.1.el8_2 +14
    • Red Hat Enterprise Linux BaseOS E4S (v. 8.2) bpftool-4.18.0-193.113.1.el8_2, kernel-4.18.0-193.113.1.el8_2, kernel-abi-whitelists-4.18.0-193.113.1.el8_2 +14
    • Red Hat Enterprise Linux BaseOS TUS (v. 8.2) bpftool-4.18.0-193.113.1.el8_2, kernel-4.18.0-193.113.1.el8_2, kernel-abi-whitelists-4.18.0-193.113.1.el8_2 +14
Show 9 more Red Hat advisories
  • RHSA-2023:4817 Released 2023-08-29 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time TUS (v. 8.2) kernel-rt-4.18.0-193.113.1.rt13.164.el8_2, kernel-rt-core-4.18.0-193.113.1.rt13.164.el8_2, kernel-rt-debug-4.18.0-193.113.1.rt13.164.el8_2 +7
    • Red Hat Enterprise Linux Real Time for NFV TUS (v. 8.2) kernel-rt-4.18.0-193.113.1.rt13.164.el8_2, kernel-rt-core-4.18.0-193.113.1.rt13.164.el8_2, kernel-rt-debug-4.18.0-193.113.1.rt13.164.el8_2 +9
  • RHSA-2023:4789 Released 2023-08-29 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-tools-libs-devel-4.18.0-372.70.1.el8_6
    • Red Hat Enterprise Linux BaseOS EUS (v.8.6) bpftool-4.18.0-372.70.1.el8_6, kernel-4.18.0-372.70.1.el8_6, kernel-abi-stablelists-4.18.0-372.70.1.el8_6 +19
    • Red Hat Virtualization 4 Hypervisor for RHEL 8 kernel-devel-4.18.0-372.70.1.el8_6, perf-4.18.0-372.70.1.el8_6
  • RHSA-2023:4517 Released 2023-08-08 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-477.21.1.el8_8, kernel-4.18.0-477.21.1.el8_8, kernel-abi-stablelists-4.18.0-477.21.1.el8_8 +19
    • Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-477.21.1.el8_8
  • RHSA-2023:4541 Released 2023-08-08 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-477.21.1.rt7.284.el8_8, kernel-rt-core-4.18.0-477.21.1.rt7.284.el8_8, kernel-rt-debug-4.18.0-477.21.1.rt7.284.el8_8 +9
    • Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-477.21.1.rt7.284.el8_8, kernel-rt-core-4.18.0-477.21.1.rt7.284.el8_8, kernel-rt-debug-4.18.0-477.21.1.rt7.284.el8_8 +7
  • RHSA-2023:4515 Released 2023-08-08 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS E4S (v. 8.1) bpftool-4.18.0-147.87.1.el8_1, kernel-4.18.0-147.87.1.el8_1, kernel-abi-whitelists-4.18.0-147.87.1.el8_1 +14
  • RHSA-2023:4137 Released 2023-07-18 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-tools-libs-devel-5.14.0-70.64.1.el9_0
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) kernel-debug-devel-5.14.0-70.64.1.el9_0, kernel-debug-devel-matched-5.14.0-70.64.1.el9_0, kernel-devel-5.14.0-70.64.1.el9_0 +5
    • Red Hat Enterprise Linux BaseOS EUS (v.9.0) bpftool-5.14.0-70.64.1.el9_0, kernel-5.14.0-70.64.1.el9_0, kernel-abi-stablelists-5.14.0-70.64.1.el9_0 +14
  • RHSA-2023:4138 Released 2023-07-18 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time EUS (v.9.0) kernel-rt-5.14.0-70.64.1.rt21.135.el9_0, kernel-rt-core-5.14.0-70.64.1.rt21.135.el9_0, kernel-rt-debug-5.14.0-70.64.1.rt21.135.el9_0 +7
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) kernel-rt-5.14.0-70.64.1.rt21.135.el9_0, kernel-rt-core-5.14.0-70.64.1.rt21.135.el9_0, kernel-rt-debug-5.14.0-70.64.1.rt21.135.el9_0 +9
  • RHSA-2023:3708 Released 2023-06-21 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux NFV (v. 9) kernel-rt-5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-core-5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-debug-5.14.0-284.18.1.rt14.303.el9_2 +11
    • Red Hat Enterprise Linux RT (v. 9) kernel-rt-5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-core-5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-debug-5.14.0-284.18.1.rt14.303.el9_2 +9
  • RHSA-2023:3723 Released 2023-06-21 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-284.18.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.18.1.el9_2, kernel-64k-devel-5.14.0-284.18.1.el9_2 +10
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.0.0-284.18.1.el9_2, kernel-5.14.0-284.18.1.el9_2, kernel-64k-5.14.0-284.18.1.el9_2 +29
    • Red Hat Enterprise Linux CRB (v. 9) kernel-tools-libs-devel-5.14.0-284.18.1.el9_2

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat CodeReady Linux Builder EUS (v.8.6)Fixed RHSA-2023:4789
Red Hat CodeReady Linux Builder EUS (v.9.0)Fixed RHSA-2023:4137
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:3723
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2023:4137
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2023:4517
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2023:3723
Red Hat Enterprise Linux BaseOS AUS (v. 8.2)Fixed RHSA-2023:4815
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2023:4962
Red Hat Enterprise Linux BaseOS E4S (v. 8.1)Fixed RHSA-2023:4515
Red Hat Enterprise Linux BaseOS E4S (v. 8.2)Fixed RHSA-2023:4815
Red Hat Enterprise Linux BaseOS E4S (v.8.4)Fixed RHSA-2023:4962
Red Hat Enterprise Linux BaseOS EUS (v.8.6)Fixed RHSA-2023:4789
Red Hat Enterprise Linux BaseOS EUS (v.9.0)Fixed RHSA-2023:4137
Red Hat Enterprise Linux BaseOS TUS (v. 8.2)Fixed RHSA-2023:4815
Red Hat Enterprise Linux BaseOS TUS (v.8.4)Fixed RHSA-2023:4962
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2023:4517
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2023:3723
Red Hat Enterprise Linux NFV (v. 8)Fixed RHSA-2023:4541
Red Hat Enterprise Linux NFV (v. 9)Fixed RHSA-2023:3708
Red Hat Enterprise Linux NFV E4S (v.8.4)Fixed RHSA-2023:4961
Red Hat Enterprise Linux NFV TUS (v.8.4)Fixed RHSA-2023:4961
Red Hat Enterprise Linux RT (v. 8)Fixed RHSA-2023:4541
Red Hat Enterprise Linux RT (v. 9)Fixed RHSA-2023:3708
Red Hat Enterprise Linux RT TUS (v.8.4)Fixed RHSA-2023:4961
Red Hat Enterprise Linux Real Time EUS (v.9.0)Fixed RHSA-2023:4138
Red Hat Enterprise Linux Real Time TUS (v. 8.2)Fixed RHSA-2023:4817
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0)Fixed RHSA-2023:4138
Red Hat Enterprise Linux Real Time for NFV TUS (v. 8.2)Fixed RHSA-2023:4817
Red Hat Virtualization 4 Hypervisor for RHEL 8Fixed RHSA-2023:4789
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux AppStream (v. 9)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-2124

References

Exploit 1

Patch 1

Advisory 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences