Vulnerability · Published Jun 24, 2026 · Assigned by Linux

CVE-2026-53016crypto: ccp - copy IV using skcipher ivsize

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 3% 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 96.6% 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: ccp - copy IV using skcipher ivsize AF_ALG rfc3686-ctr-aes-ccp requests pass an 8-byte IV to the driver. ccp_aes_complete() restores AES_BLOCK_SIZE bytes into the caller's IV buffer while RFC3686 skciphers expose an 8-byte IV, so the restore overruns the provided buffer. Use crypto_skcipher_ivsize() to copy only the algorithm's IV length.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:10kernel6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-64k6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-64k5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-64k-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-64k-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-64k-debug6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-64k-debug5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-64k-debug-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-64k-debug-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-64k-debug-devel6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-64k-debug-devel5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-64k-debug-devel-matched6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-64k-debug-modules6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-64k-debug-modules5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-64k-debug-modules-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-64k-debug-modules-extra6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-64k-devel6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-64k-devel5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-64k-devel-matched6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-64k-devel-matched5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-64k-modules6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-64k-modules5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-64k-modules-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-64k-modules-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-64k-modules-extra6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-64k-modules-extra5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-abi-stablelists6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-abi-stablelists4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-abi-stablelists5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-core4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-cross-headers6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-cross-headers4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-cross-headers5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-debug6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-debug4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-debug5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-debug-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-debug-core4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-debug-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-debug-devel6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-debug-devel4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-debug-devel5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-debug-devel-matched6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-debug-devel-matched5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-debug-modules6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-debug-modules4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-debug-modules5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-debug-modules-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-debug-modules-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-debug-modules-extra6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-debug-modules-extra5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-debug-uki-virt6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-debug-uki-virt5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-devel6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-devel4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-devel5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-devel-matched6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-devel-matched5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-doc6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-doc4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-doc5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-headers6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-headers4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-headers5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-modules6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-modules4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-modules5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-modules-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-modules-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-modules-extra6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-modules-extra4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-modules-extra5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-modules-extra-matched6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:10kernel-rt6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-rt4.18.0-553.156.1.rt7.497.el8_10ALSA-2026:55765
AlmaLinux:9kernel-rt5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-64k6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-rt-64k5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-64k-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-rt-64k-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-64k-debug6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-rt-64k-debug5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-64k-debug-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-64k-debug-devel6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-64k-debug-modules6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-64k-debug-modules-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-64k-debug-modules-extra6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-64k-devel6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-rt-64k-devel5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-64k-modules6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-rt-64k-modules5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-64k-modules-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-64k-modules-extra6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-rt-core4.18.0-553.156.1.rt7.497.el8_10ALSA-2026:55765
AlmaLinux:9kernel-rt-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-debug6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-rt-debug4.18.0-553.156.1.rt7.497.el8_10ALSA-2026:55765
AlmaLinux:9kernel-rt-debug5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-debug-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-rt-debug-core4.18.0-553.156.1.rt7.497.el8_10ALSA-2026:55765
AlmaLinux:9kernel-rt-debug-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-debug-devel6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.156.1.rt7.497.el8_10ALSA-2026:55765
AlmaLinux:9kernel-rt-debug-devel5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-debug-modules6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.156.1.rt7.497.el8_10ALSA-2026:55765
AlmaLinux:9kernel-rt-debug-modules5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-debug-modules-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-debug-modules-extra6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.156.1.rt7.497.el8_10ALSA-2026:55765
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-devel6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-rt-devel4.18.0-553.156.1.rt7.497.el8_10ALSA-2026:55765
AlmaLinux:9kernel-rt-devel5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-modules6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-rt-modules4.18.0-553.156.1.rt7.497.el8_10ALSA-2026:55765
AlmaLinux:9kernel-rt-modules5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-modules-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-rt-modules-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-rt-modules-extra6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.156.1.rt7.497.el8_10ALSA-2026:55765
AlmaLinux:9kernel-rt-modules-extra5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-tools6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-tools4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-tools5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-tools-libs6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-tools-libs4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-tools-libs5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-tools-libs-devel6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-tools-libs-devel5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-uki-virt6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-uki-virt5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-uki-virt-addons6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-uki-virt-addons5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-zfcpdump6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-zfcpdump4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-zfcpdump5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-zfcpdump-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-zfcpdump-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-zfcpdump-devel6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-zfcpdump-devel5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-zfcpdump-devel-matched6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-zfcpdump-modules6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-zfcpdump-modules5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-zfcpdump-modules-core6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10kernel-zfcpdump-modules-extra6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10libperf6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9libperf5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10perf6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8perf4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9perf5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10python3-perf6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:8python3-perf4.18.0-553.156.1.el8_10ALSA-2026:55764
AlmaLinux:9python3-perf5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10rtla6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9rtla5.14.0-687.25.1.el9_8ALSA-2026:38491
AlmaLinux:10rv6.12.0-211.34.1.el10_2ALSA-2026:39494
AlmaLinux:9rv5.14.0-687.25.1.el9_8ALSA-2026:38491
Debian:12linux6.1.176-1DEBIAN-CVE-2026-53016
Debian:13linux6.12.94-1DEBIAN-CVE-2026-53016
Debian:14linux7.0.10-1DEBIAN-CVE-2026-53016
Rocky Linux:10kernel0:6.12.0-211.34.1.el10_2RLSA-2026:39494
Rocky Linux:8kernel0:4.18.0-553.156.1.el8_10RLSA-2026:55764
Rocky Linux:9kernel0:5.14.0-687.25.1.el9_8RLSA-2026:38491
Rocky Linux:8kernel-rt0:4.18.0-553.156.1.rt7.497.el8_10RLSA-2026:55765
Ubuntu:22.04:LTSlinux5.15.0-186.196UBUNTU-CVE-2026-53016
Ubuntu:24.04:LTSlinux6.8.0-136.136UBUNTU-CVE-2026-53016
Ubuntu:25.10linuxno fix listedUBUNTU-CVE-2026-53016
Ubuntu:26.04:LTSlinux7.0.0-28.28UBUNTU-CVE-2026-53016
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-53016
Ubuntu:22.04:LTSlinux-aws5.15.0-1112.119UBUNTU-CVE-2026-53016
Ubuntu:24.04:LTSlinux-aws6.8.0-1061.64UBUNTU-CVE-2026-53016
Ubuntu:25.10linux-awsno fix listedUBUNTU-CVE-2026-53016
Ubuntu:26.04:LTSlinux-aws7.0.0-1009.9UBUNTU-CVE-2026-53016

Affected products (as reported)

VendorProductVersions
Linux Linux 2b789435d7f36ed918d92db647f3a2f3fec9bb1f – before 939061b2d0f7f15114e34b4ce878ef50ff4089c32b789435d7f36ed918d92db647f3a2f3fec9bb1f – before 798d409a8949f3f495f238549b86de2886b129bd2b789435d7f36ed918d92db647f3a2f3fec9bb1f – before dfb2cf434829819268fe50f41542aad318ad62b22b789435d7f36ed918d92db647f3a2f3fec9bb1f – before eecee15e263ccb8cd77170a56ab6c969cb54dd6a2b789435d7f36ed918d92db647f3a2f3fec9bb1f – before bb01d8f1f385bc9034ca114d3508c7fdea24fc9a2b789435d7f36ed918d92db647f3a2f3fec9bb1f – before df9784bb5b637ac80f4a2768a58ca9a50bef28a92b789435d7f36ed918d92db647f3a2f3fec9bb1f – before 227c1e1d9e2aa4cfc65ba446d5690da1f546cda42b789435d7f36ed918d92db647f3a2f3fec9bb1f – before a7a1f3cdd64d8a165d9b8c9e9ad7fb46ac19dfc4
Linux Linux 3.14

Weakness: CWE-805 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References