Description
In the Linux kernel, the following vulnerability has been resolved:
mm, slub: fix potential memoryleak in kmem_cache_open()
In error path, the random_seq of slub cache might be leaked. Fix this
by using __kmem_cache_release() to release all the relevant resources.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux | 4.8 | 5.4.156 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 5.14.16-1 | — |
| Debian 13 | linux | 5.14.16-1 | — |
| Debian 12 | linux | 5.14.16-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +22 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-92.103 | — |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1061.64 | — |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1065.68 | — |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1023.26 | — |
| Ubuntu 20.04 LTS | linux-gcp +1 | 5.4.0-1059.63 | — |
| Ubuntu 20.04 LTS | linux-gke +26 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1029.30 | — |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1010.11 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1051.53 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1048.53 | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1061.64~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1065.68~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-5.4 +1 | 5.4.0-1059.63~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-92.103~18.04.2 | — |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1048.53~18.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1069.73+fips2 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1073.76+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1038.44 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1067.71~20.04.1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | linux +5 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | linux-gcp +4 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-azure | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | kernel-rt +12 | 4.18.0-553.22.1.rt7.363.el8_10 | RHSA-2024:7001 |
| RHEL 8 | perf +26 | 4.18.0-553.22.1.el8_10 | RHSA-2024:7000 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | kernel-rt +11 | 4.18.0-553.22.1.rt7.363.el8_10 | ALSA-2024:7001 |
| AlmaLinux 8 | perf +24 | 4.18.0-553.22.1.el8_10 | ALSA-2024:7000 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | kernel | 4.18.0-553.22.1.el8_10 | RLSA-2024:7000 |
| Rocky Linux 8 | kernel-rt | 4.18.0-553.22.1.rt7.363.el8_10 | RLSA-2024:7001 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | kernel-64kb +6 | 5.14.21-150500.55.68.1 | SUSE-SU-2024:2190-1 |
| SLES 15 SP5 | kernel-azure +2 | 5.14.21-150500.33.57.1 | SUSE-SU-2024:2019-1 |
| SLES 15 SP5 | kernel-default-base | 5.14.21-150500.55.68.1.150500.6.31.1 | SUSE-SU-2024:2190-1 |
| SLES 15 SP4 | kernel-64kb +4 | 5.14.21-150400.24.122.2 | SUSE-SU-2024:2189-1 |
| SLES 15 SP4 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 | SUSE-SU-2024:2189-1 |
| SLES 15 SP4 | kernel-syms +1 | 5.14.21-150400.24.122.1 | SUSE-SU-2024:2189-1 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP4 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 | SUSE-SU-2024:2189-1 |
| SLES for SAP 15 SP4 | kernel-docs +2 | 5.14.21-150400.24.122.2 | SUSE-SU-2024:2189-1 |
| SLES for SAP 15 SP4 | kernel-syms +1 | 5.14.21-150400.24.122.1 | SUSE-SU-2024:2189-1 |
| SLE Micro 5.5 | kernel-default | 5.14.21-150500.55.68.1 | SUSE-SU-2024:2190-1 |
| SLE Micro 5.5 | kernel-default-base | 5.14.21-150500.55.68.1.150500.6.31.1 | SUSE-SU-2024:2190-1 |
| SLE Micro 5.5 | kernel-rt +1 | 5.14.21-150500.13.58.1 | SUSE-SU-2024:2008-1 |
| SLE Micro 5.4 | kernel-default | 5.14.21-150400.24.122.2 | SUSE-SU-2024:2189-1 |
| SLE Micro 5.4 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 | SUSE-SU-2024:2189-1 |
| SLE Micro 5.4 | kernel-rt +1 | 5.14.21-150400.15.82.1 | SUSE-SU-2024:2011-1 |
| SLE Micro 5.3 | kernel-default | 5.14.21-150400.24.122.2 | SUSE-SU-2024:2189-1 |
| SLE Micro 5.3 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 | SUSE-SU-2024:2189-1 |
| SLE Micro 5.3 | kernel-rt +1 | 5.14.21-150400.15.82.1 | SUSE-SU-2024:2011-1 |
| SLE Live Patching 15 SP5 | kernel-default | 5.14.21-150500.55.68.1 | SUSE-SU-2024:2190-1 |
| SLE Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_15 +1 | 1-150500.11.3.1 | SUSE-SU-2024:2190-1, SUSE-SU-2024:2008-1 |
| SLE Live Patching 15 SP4 | kernel-default | 5.14.21-150400.24.122.2 | SUSE-SU-2024:2189-1 |
| SLE Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_27 | 1-150400.9.3.2 | SUSE-SU-2024:2189-1 |
| SLE HPC 15 SP4 | kernel-64kb +3 | 5.14.21-150400.24.122.2 | SUSE-SU-2024:2189-1 |
| SLE HPC 15 SP4 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 | SUSE-SU-2024:2189-1 |
| SLE HPC 15 SP4 | kernel-syms +1 | 5.14.21-150400.24.122.1 | SUSE-SU-2024:2189-1 |
| SUSE Real Time Module 15 SP5 | kernel-rt +3 | 5.14.21-150500.13.58.1 | SUSE-SU-2024:2008-1 |
| SUSE Manager Server 4.3 | kernel-default +1 | 5.14.21-150400.24.122.2 | SUSE-SU-2024:2189-1 |
| SUSE Manager Server 4.3 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 | SUSE-SU-2024:2189-1 |
| SUSE Manager Server 4.3 | kernel-syms +1 | 5.14.21-150400.24.122.1 | SUSE-SU-2024:2189-1 |
| SUSE Manager Proxy 4.3 | kernel-default | 5.14.21-150400.24.122.2 | SUSE-SU-2024:2189-1 |
| SUSE Manager Proxy 4.3 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 | SUSE-SU-2024:2189-1 |
| SUSE Manager Proxy 4.3 | kernel-syms +1 | 5.14.21-150400.24.122.1 | SUSE-SU-2024:2189-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | dtb-aarch64 +10 | 5.14.21-150500.55.68.1 | SUSE-SU-2024:2190-1 |
| openSUSE Leap 15.5 | kernel-azure +2 | 5.14.21-150500.33.57.1 | SUSE-SU-2024:2019-1 |
| openSUSE Leap 15.5 | kernel-default-base | 5.14.21-150500.55.68.1.150500.6.31.1 | SUSE-SU-2024:2190-1 |
| openSUSE Leap 15.5 | kernel-rt +3 | 5.14.21-150500.13.58.1 | SUSE-SU-2024:2008-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.4 | kernel-default | 5.14.21-150400.24.122.2 | SUSE-SU-2024:2189-1 |
| openSUSE Leap Micro 5.4 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 | SUSE-SU-2024:2189-1 |
| openSUSE Leap Micro 5.4 | kernel-rt | 5.14.21-150400.15.82.1 | SUSE-SU-2024:2011-1 |
| openSUSE Leap Micro 5.3 | kernel-default | 5.14.21-150400.24.122.2 | SUSE-SU-2024:2189-1 |
| openSUSE Leap Micro 5.3 | kernel-default-base | 5.14.21-150400.24.122.2.150400.24.58.2 | SUSE-SU-2024:2189-1 |
| openSUSE Leap Micro 5.3 | kernel-rt | 5.14.21-150400.15.82.1 | SUSE-SU-2024:2011-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | perf +19 | 4.18.0-553.22.1.el8_10 | ELSA-2024-7000 |
Advisories 13
- WID-SEC-2024-1197 Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service und unspezifische Angriffe BSI CERT-Bund (WID) · Nov 9, 2026
- ALSA-2024:7001 Important: kernel-rt security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:7000 Important: kernel security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2024:7001 Red Hat Security Advisory: kernel-rt security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RHSA-2024:7000 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- RLSA-2024:7001 Important: kernel-rt security update Rocky Linux Security Advisories · Feb 5, 2026
- SUSE-SU-2024:2019-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2189-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2190-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2008-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2011-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- RLSA-2024:7000 Important: kernel security update Rocky Linux Security Advisories · May 7, 2025
- ELSA-2024-7000 Important: kernel security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Sep 24, 2024