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Medium 5.5Published Jan 15, 2024
CVE-2023-6915A Null pointer dereference problem was found in ida_free in lib/idr.c in the Linux Kernel.
Updated under an hour ago ()
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It affects debian_linux and 23 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A Null pointer dereference problem was found in ida_free in lib/idr.c in the Linux Kernel. This issue may allow an attacker using this library to cause a denial of service problem due to a missing check at a function return.
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-476
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Oct 23, 2026
- First seen by InfoSec Signals
- Oct 23, 2026
Affected products
debian debian_linux debian:debian_linux | 10.0 | NVD |
redhat codeready_linux_builder redhat:codeready_linux_builder | 8.0; 9.0; 9.0 | NVD |
redhat codeready_linux_builder_for_arm64 redhat:codeready_linux_builder_for_arm64 | 8.0_aarch64 | NVD |
redhat codeready_linux_builder_for_power_little_endian redhat:codeready_linux_builder_for_power_little_endian | 8.0; 9.0_ppc64le | NVD |
redhat codeready_linux_builder_for_power_little_endian_els redhat:codeready_linux_builder_for_power_little_endian_els | 8.10 | NVD |
redhat enterprise_linux redhat:enterprise_linux | 8.0; 8.0; 9.0; 9.0; 9.4; 9.6; 9.8; 8.0; and 1 more ranges | NVD |
redhat enterprise_linux_for_els redhat:enterprise_linux_for_els | 8.10; 8.10; 8.10; 9.4; 9.4; 9.6; 9.6; 9.8; and 1 more ranges | NVD |
redhat enterprise_linux_for_ibm_z_systems redhat:enterprise_linux_for_ibm_z_systems | 8.0; 9.0; 9.4_s390x; 9.6_s390x; 9.8_s390x | NVD |
redhat enterprise_linux_for_ibm_z_systems_els redhat:enterprise_linux_for_ibm_z_systems_els | 8.10; 9.4; 9.6; 9.8 | NVD |
redhat enterprise_linux_for_power_little_endian redhat:enterprise_linux_for_power_little_endian | 8.0; 9.0 | NVD |
redhat enterprise_linux_for_real_time redhat:enterprise_linux_for_real_time | 8.0 | NVD |
redhat enterprise_linux_for_real_time_for_nfv redhat:enterprise_linux_for_real_time_for_nfv | 8.0 | NVD |
redhat codeready_linux_builder_for_eus redhat:codeready_linux_builder_for_eus | 9.4; 9.4; 9.6; 9.6; 9.8; 9.8 | NVD |
redhat codeready_linux_builder_for_ibm_z_systems redhat:codeready_linux_builder_for_ibm_z_systems | 9.0_s390x | NVD |
redhat codeready_linux_builder_for_ibm_z_systems_eus redhat:codeready_linux_builder_for_ibm_z_systems_eus | 9.4_s390x; 9.6_s390x; 9.8_s390x | NVD |
redhat codeready_linux_builder_for_power_little_endian_eus redhat:codeready_linux_builder_for_power_little_endian_eus | 9.4_ppc64le; 9.6_ppc64le; 9.8_ppc64le | NVD |
redhat enterprise_linux_eus redhat:enterprise_linux_eus | 9.4; 9.4; 9.6; 9.6; 9.8; 9.8 | NVD |
redhat enterprise_linux_for_ibm_z_systems_eus redhat:enterprise_linux_for_ibm_z_systems_eus | 9.4_s390x; 9.6_s390x; 9.8_s390x | NVD |
redhat enterprise_linux_for_power_little_endian_els redhat:enterprise_linux_for_power_little_endian_els | 9.4; 9.6; 9.8 | NVD |
redhat enterprise_linux_for_power_little_endian_eus redhat:enterprise_linux_for_power_little_endian_eus | 9.4_ppc64le; 9.6_ppc64le; 9.8 | NVD |
redhat enterprise_linux_server_aus redhat:enterprise_linux_server_aus | 9.4; 9.6 | NVD |
redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions | 9.4_ppc64le; 9.6_ppc64le; 9.8 | NVD |
redhat enterprise_linux_update_services_for_sap_solutions redhat:enterprise_linux_update_services_for_sap_solutions | 9.4; 9.6; 9.8 | NVD |
linux linux_kernel linux:linux_kernel | before 6.6.13 | NVD |
References
- https://access.redhat.com/errata/RHSA-2024:2394vendor-advisory
- https://access.redhat.com/errata/RHSA-2024:2950vendor-advisory
- https://access.redhat.com/errata/RHSA-2024:3138vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-6915third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2254982issue-tracking
- https://github.com/torvalds/linux/commit/af73483f4e8b6f5c68c9aa63257bdd929a9c194apatch
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.htmlmailing-list, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.