Vulnerability · Published Sep 24, 2026 · Assigned by Linux

CVE-2026-93262md/raid5-ppl: fix use-after-free in ppl_do_flush()

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 0.2% (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)0.2%top 95.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: md/raid5-ppl: fix use-after-free in ppl_do_flush() The loop in ppl_do_flush() continues iterating after calling ppl_io_unit_finished(), touching io->pending_flushes and leading to a use-after-free. Add a break statement to stop the loop once io is freed.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:10kernel6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-64k6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-64k5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-64k-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-64k-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-64k-debug6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-64k-debug5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-64k-debug-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-64k-debug-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-64k-debug-devel6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-64k-debug-devel5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-64k-debug-devel-matched6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-64k-debug-modules6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-64k-debug-modules5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-64k-debug-modules-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-64k-debug-modules-extra6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-64k-devel6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-64k-devel5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-64k-devel-matched6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-64k-devel-matched5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-64k-modules6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-64k-modules5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-64k-modules-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-64k-modules-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-64k-modules-extra6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-64k-modules-extra5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-abi-stablelists6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-abi-stablelists4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-abi-stablelists5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-core4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-cross-headers6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-cross-headers4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-cross-headers5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-debug6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-debug4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-debug5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-debug-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-debug-core4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-debug-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-debug-devel6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-debug-devel4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-debug-devel5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-debug-devel-matched6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-debug-devel-matched5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-debug-modules6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-debug-modules4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-debug-modules5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-debug-modules-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-debug-modules-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-debug-modules-extra6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-debug-modules-extra4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-debug-modules-extra5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-debug-uki-virt6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-debug-uki-virt5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-devel6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-devel4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-devel5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-devel-matched6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-devel-matched5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-doc6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-doc4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-doc5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-headers6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-headers4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-headers5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-modules6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-modules4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-modules5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-modules-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-modules-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-modules-extra6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-modules-extra4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-modules-extra5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-modules-extra-matched6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:10kernel-rt6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-rt4.18.0-553.174.1.rt7.515.el8_10ALSA-2026:83159
AlmaLinux:9kernel-rt5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-64k6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-rt-64k5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-64k-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-rt-64k-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-64k-debug6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-rt-64k-debug5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-64k-debug-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-64k-debug-devel6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-64k-debug-modules6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-64k-debug-modules-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-64k-debug-modules-extra6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-64k-devel6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-rt-64k-devel5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-64k-modules6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-rt-64k-modules5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-64k-modules-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-64k-modules-extra6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-rt-core4.18.0-553.174.1.rt7.515.el8_10ALSA-2026:83159
AlmaLinux:9kernel-rt-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-debug6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-rt-debug4.18.0-553.174.1.rt7.515.el8_10ALSA-2026:83159
AlmaLinux:9kernel-rt-debug5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-debug-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-rt-debug-core4.18.0-553.174.1.rt7.515.el8_10ALSA-2026:83159
AlmaLinux:9kernel-rt-debug-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-debug-devel6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-rt-debug-devel4.18.0-553.174.1.rt7.515.el8_10ALSA-2026:83159
AlmaLinux:9kernel-rt-debug-devel5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-debug-modules6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-rt-debug-modules4.18.0-553.174.1.rt7.515.el8_10ALSA-2026:83159
AlmaLinux:9kernel-rt-debug-modules5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-debug-modules-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-debug-modules-extra6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-553.174.1.rt7.515.el8_10ALSA-2026:83159
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-devel6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-rt-devel4.18.0-553.174.1.rt7.515.el8_10ALSA-2026:83159
AlmaLinux:9kernel-rt-devel5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-modules6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-rt-modules4.18.0-553.174.1.rt7.515.el8_10ALSA-2026:83159
AlmaLinux:9kernel-rt-modules5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-modules-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-rt-modules-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-rt-modules-extra6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-rt-modules-extra4.18.0-553.174.1.rt7.515.el8_10ALSA-2026:83159
AlmaLinux:9kernel-rt-modules-extra5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-tools6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-tools4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-tools5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-tools-libs6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-tools-libs4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-tools-libs5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-tools-libs-devel6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-tools-libs-devel4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-tools-libs-devel5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-uki-virt6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-uki-virt5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-uki-virt-addons6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-uki-virt-addons5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-zfcpdump6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-zfcpdump4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-zfcpdump5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-zfcpdump-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-zfcpdump-core4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-zfcpdump-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-zfcpdump-devel6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-zfcpdump-devel4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-zfcpdump-devel5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-zfcpdump-devel-matched6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-zfcpdump-modules6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-zfcpdump-modules4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-zfcpdump-modules5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-zfcpdump-modules-core6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10kernel-zfcpdump-modules-extra6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10libperf6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9libperf5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10perf6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8perf4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9perf5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10python3-perf6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:8python3-perf4.18.0-553.174.1.el8_10ALSA-2026:83157
AlmaLinux:9python3-perf5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10rtla6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9rtla5.14.0-687.61.1.el9_8ALSA-2026:90365
AlmaLinux:10rv6.12.0-211.69.1.el10_2ALSA-2026:91565
AlmaLinux:9rv5.14.0-687.61.1.el9_8ALSA-2026:90365
Debian:12linux6.1.190-1DEBIAN-CVE-2026-93262
Debian:13linux6.12.111-1DEBIAN-CVE-2026-93262
Debian:14linux7.2.6-1DEBIAN-CVE-2026-93262
Debian:12linux-6.126.12.111-1~deb12u1DEBIAN-CVE-2026-93262
Rocky Linux:10kernel0:6.12.0-211.69.1.el10_2RLSA-2026:91565
Rocky Linux:8kernel0:4.18.0-553.174.1.el8_10RLSA-2026:83157
Rocky Linux:9kernel0:5.14.0-687.61.1.el9_8.cloud.1.0RXSA-2026:90365
Rocky Linux:9kernel0:5.14.0-687.61.1.el9_8RLSA-2026:90365
Rocky Linux:8kernel-rt0:4.18.0-553.174.1.rt7.515.el8_10RLSA-2026:83159
Ubuntu:22.04:LTSlinux5.15.0-202.212UBUNTU-CVE-2026-93262
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-93262
Ubuntu:26.04:LTSlinux7.0.0-42.42UBUNTU-CVE-2026-93262
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-93262
Ubuntu:22.04:LTSlinux-aws5.15.0-1119.126UBUNTU-CVE-2026-93262
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-93262
Ubuntu:26.04:LTSlinux-aws7.0.0-1016.17UBUNTU-CVE-2026-93262

Affected products (as reported)

VendorProductVersions
Linux Linux 1532d9e87e8b2377f12929f9e40724d5fbe6ecc5 – before cf01f9413565e86673baf927291a088b6975692b1532d9e87e8b2377f12929f9e40724d5fbe6ecc5 – before e7505842f1329ece90cb9ea0db87772aeca440521532d9e87e8b2377f12929f9e40724d5fbe6ecc5 – before b5123bf667ac29ddd8106f9ca7cc01316513ae661532d9e87e8b2377f12929f9e40724d5fbe6ecc5 – before e77c80670f2c2bf491da9b173931e1da4677c23a1532d9e87e8b2377f12929f9e40724d5fbe6ecc5 – before 8914c3d40870f16429a326e97e4016bedc6ede4c1532d9e87e8b2377f12929f9e40724d5fbe6ecc5 – before 455b56209f9615c3902dcc398dd867abb5ade3ab1532d9e87e8b2377f12929f9e40724d5fbe6ecc5 – before fcf21df7d3c50c8ebeb0757df5d21b02dcae42181532d9e87e8b2377f12929f9e40724d5fbe6ecc5 – before 371f7a1b392edc8b7cf449cc7713179b588f2d0e
Linux Linux 4.16

References