Vulnerability · Published Dec 24, 2025 · Assigned by Linux

CVE-2025-68724crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id

High 7.8

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.1%top 96.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id Use check_add_overflow() to guard against potential integer overflows when adding the binary blob lengths and the size of an asymmetric_key_id structure and return ERR_PTR(-EOVERFLOW) accordingly. This prevents a possible buffer overflow when copying data from potentially malicious X.509 certificate fields that can be arbitrarily large, such as ASN.1 INTEGER serial numbers, issuer names, etc.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:10kernel6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-64k6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-64k5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-64k-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-64k-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-64k-debug6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-64k-debug5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-64k-debug-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-64k-debug-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-64k-debug-devel6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-64k-debug-devel5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-64k-debug-devel-matched6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-64k-debug-modules6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-64k-debug-modules5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-64k-debug-modules-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-64k-debug-modules-extra6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-64k-devel6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-64k-devel5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-64k-devel-matched6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-64k-devel-matched5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-64k-modules6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-64k-modules5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-64k-modules-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-64k-modules-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-64k-modules-extra6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-64k-modules-extra5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-abi-stablelists6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-abi-stablelists4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-abi-stablelists5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-core4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-cross-headers6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-cross-headers4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-cross-headers5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-debug6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-debug4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-debug5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-debug-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-debug-core4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-debug-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-debug-devel6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-debug-devel4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-debug-devel5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-debug-devel-matched6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-debug-devel-matched5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-debug-modules6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-debug-modules4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-debug-modules5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-debug-modules-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-debug-modules-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-debug-modules-extra6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-debug-modules-extra5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-debug-uki-virt6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-debug-uki-virt5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-devel6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-devel4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-devel5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-devel-matched6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-devel-matched5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-doc6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-doc4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-doc5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-headers6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-headers4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-headers5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-modules6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-modules4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-modules5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-modules-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-modules-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-modules-extra6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-modules-extra4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-modules-extra5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-modules-extra-matched6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:10kernel-rt6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-rt4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:9kernel-rt5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-64k6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-rt-64k5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-64k-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-rt-64k-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-64k-debug6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-rt-64k-debug5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-64k-debug-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-64k-debug-devel6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-64k-debug-modules6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-64k-debug-modules-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-64k-debug-modules-extra6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-64k-devel6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-rt-64k-devel5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-64k-modules6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-rt-64k-modules5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-64k-modules-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-64k-modules-extra6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-rt-core4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:9kernel-rt-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-debug6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-rt-debug4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:9kernel-rt-debug5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-debug-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-rt-debug-core4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:9kernel-rt-debug-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-debug-devel6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:9kernel-rt-debug-devel5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-debug-modules6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:9kernel-rt-debug-modules5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-debug-modules-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-debug-modules-extra6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-devel6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-rt-devel4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:9kernel-rt-devel5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-modules6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-rt-modules4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:9kernel-rt-modules5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-modules-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-rt-modules-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-rt-modules-extra6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.123.1.rt7.464.el8_10ALSA-2026:13578
AlmaLinux:9kernel-rt-modules-extra5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-tools6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-tools4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-tools5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-tools-libs6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-tools-libs4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-tools-libs5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-tools-libs-devel6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-tools-libs-devel5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-uki-virt6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-uki-virt5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-uki-virt-addons6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-uki-virt-addons5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-zfcpdump6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-zfcpdump4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-zfcpdump5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-zfcpdump-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-zfcpdump-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-zfcpdump-devel6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-zfcpdump-devel5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-zfcpdump-devel-matched6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-zfcpdump-modules6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-zfcpdump-modules5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-zfcpdump-modules-core6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10kernel-zfcpdump-modules-extra6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10libperf6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9libperf5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10perf6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8perf4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9perf5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10python3-perf6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:8python3-perf4.18.0-553.123.1.el8_10ALSA-2026:13577
AlmaLinux:9python3-perf5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10rtla6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9rtla5.14.0-687.12.1.el9_8ALSA-2026:21556
AlmaLinux:10rv6.12.0-211.16.1.el10_2ALSA-2026:19569
AlmaLinux:9rv5.14.0-687.12.1.el9_8ALSA-2026:21556
Debian:12linux6.1.162-1DEBIAN-CVE-2025-68724
Debian:13linux6.12.63-1DEBIAN-CVE-2025-68724
Debian:14linux6.17.13-1DEBIAN-CVE-2025-68724
Rocky Linux:10kernel0:6.12.0-211.16.1.el10_2.0.1RLSA-2026:19569
Rocky Linux:8kernel0:4.18.0-553.123.1.el8_10RLSA-2026:13577
Rocky Linux:8kernel0:4.18.0-553.123.1.el8_10.cloud.0.1RXSA-2026:13577
Rocky Linux:9kernel0:5.14.0-687.12.1.el9_8RLSA-2026:21556
Rocky Linux:8kernel-rt0:4.18.0-553.123.1.rt7.464.el8_10RLSA-2026:13578
Ubuntu:22.04:LTSlinux5.15.0-173.183UBUNTU-CVE-2025-68724
Ubuntu:24.04:LTSlinux6.8.0-110.110USN-8179-1
Ubuntu:24.04:LTSlinux6.8.0-110.110UBUNTU-CVE-2025-68724
Ubuntu:25.10linux6.17.0-19.19UBUNTU-CVE-2025-68724
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-68724
Ubuntu:22.04:LTSlinux-aws5.15.0-1103.110UBUNTU-CVE-2025-68724
Ubuntu:24.04:LTSlinux-aws6.8.0-1052.55UBUNTU-CVE-2025-68724
Ubuntu:24.04:LTSlinux-aws6.8.0-1052.55USN-8179-1

Affected products (as reported)

VendorProductVersions
Linux Linux 7901c1a8effbe5f89673bfc09d6e37b8f334f1a7 – before 60a7be5ee74408147e439164ac067e418ca74bb47901c1a8effbe5f89673bfc09d6e37b8f334f1a7 – before c13c6e9de91d7f1dd7df756b1fa5a1f968839d767901c1a8effbe5f89673bfc09d6e37b8f334f1a7 – before dfc1613961828745165aec6552c3818fa14ab7257901c1a8effbe5f89673bfc09d6e37b8f334f1a7 – before 5b8ac617c8dab5cad3c4dc8d84d0987808a0f99c7901c1a8effbe5f89673bfc09d6e37b8f334f1a7 – before c73be4f51eed98fa0c7c189db8f279e1c86bfbf77901c1a8effbe5f89673bfc09d6e37b8f334f1a7 – before 6af753ac5205115e6c310c8c4236c01b59a1c44f7901c1a8effbe5f89673bfc09d6e37b8f334f1a7 – before b7090a5c153105b9fd221a5a81459ee8cd5babd67901c1a8effbe5f89673bfc09d6e37b8f334f1a7 – before df0845cf447ae1556c3440b8b155de0926cbaa56
Linux Linux 3.18

References