Description
A vulnerability was found in the Linux kernel, where accessing a deallocated instance in printer_ioctl() printer_ioctl() tries to access of a printer_dev instance. However, use-after-free arises because it had been freed by gprinter_free().
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | kernel | unknown | — |
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 | 5.9.6-1 | — |
| Debian 13 | linux | 5.9.6-1 | — |
| Debian 12 | linux | 5.9.6-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-realtime +1 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-56.62 | — |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1030.31 | — |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1032.33 | — |
| Ubuntu 20.04 LTS | linux-gcp +1 | 5.4.0-1030.32 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1028.29 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1023.26 | — |
| Ubuntu 20.04 LTS | linux-riscv +22 | No fix yet | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-129.132 | — |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1091.96 | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1030.31~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1103.114 | — |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1032.33~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-dell300x | 4.15.0-1010.14 | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1091.104 | — |
| Ubuntu 18.04 LTS | linux-gcp-5.4 +1 | 5.4.0-1030.32~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-56.62~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1082.84 | — |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1062.68 | — |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1023.26~18.04.1 | — |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1077.82 | — |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1094.103 | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-197.229 | — |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1118.132 | — |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1091.96~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1103.114~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1091.104~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-129.132~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1084.93 | — |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1062.68~16.04.1 | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 20.04 LTS | linux-aws-fips +2 | No fix yet | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 16.04 LTS | linux-fips | 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-gcp-fips | 5.4.0-1067.71~20.04.1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2034.35 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2016.18 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1049.56 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1051.57 | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1082.86 | — |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1103.114~14.04.1 | — |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-197.229~14.04.1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.93.1 | SUSE-SU-2022:3264-1 |
| SLES 15 SP3 | kernel-azure +2 | 5.3.18-150300.38.80.1 | SUSE-SU-2022:3609-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.93.1.150300.18.54.1 | SUSE-SU-2022:3264-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-150200.24.129.1.150200.9.61.1 | SUSE-SU-2022:3450-1 |
| SLES 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.129.1 | SUSE-SU-2022:3450-1 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP2 | kernel-default-base | 5.3.18-150200.24.129.1.150200.9.61.1 | SUSE-SU-2022:3450-1 |
| SLES for SAP 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.129.1 | SUSE-SU-2022:3450-1 |
| SLE Micro 5.2 | kernel-default | 5.3.18-150300.59.93.1 | SUSE-SU-2022:3264-1 |
| SLE Micro 5.2 | kernel-default-base | 5.3.18-150300.59.93.1.150300.18.54.1 | SUSE-SU-2022:3264-1 |
| SLE Micro 5.2 | kernel-rt | 5.3.18-150300.106.1 | SUSE-SU-2022:3809-1 |
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.93.1 | SUSE-SU-2022:3264-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.93.1.150300.18.54.1 | SUSE-SU-2022:3264-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.106.1 | SUSE-SU-2022:3809-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.93.1 | SUSE-SU-2022:3264-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_24 | 1-150300.7.3.1 | SUSE-SU-2022:3264-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-150200.24.129.1 | SUSE-SU-2022:3450-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_30 | 1-150200.5.3.1 | SUSE-SU-2022:3450-1 |
| SLE HPC 15 SP2 | kernel-default-base | 5.3.18-150200.24.129.1.150200.9.61.1 | SUSE-SU-2022:3450-1 |
| SLE HPC 15 SP2 | kernel-docs +5 | 5.3.18-150200.24.129.1 | SUSE-SU-2022:3450-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +3 | 5.3.18-150300.106.1 | SUSE-SU-2022:3809-1 |
| SUSE Manager Server 4.1 | kernel-default-base | 5.3.18-150200.24.129.1.150200.9.61.1 | SUSE-SU-2022:3450-1 |
| SUSE Manager Server 4.1 | kernel-docs +5 | 5.3.18-150200.24.129.1 | SUSE-SU-2022:3450-1 |
| SUSE Manager Retail Branch Server 4.1 | kernel-default-base | 5.3.18-150200.24.129.1.150200.9.61.1 | SUSE-SU-2022:3450-1 |
| SUSE Manager Retail Branch Server 4.1 | kernel-docs +4 | 5.3.18-150200.24.129.1 | SUSE-SU-2022:3450-1 |
| SUSE Manager Proxy 4.1 | kernel-default-base | 5.3.18-150200.24.129.1.150200.9.61.1 | SUSE-SU-2022:3450-1 |
| SUSE Manager Proxy 4.1 | kernel-docs +4 | 5.3.18-150200.24.129.1 | SUSE-SU-2022:3450-1 |
| SUSE Enterprise Storage 7 | kernel-default-base | 5.3.18-150200.24.129.1.150200.9.61.1 | SUSE-SU-2022:3450-1 |
| SUSE Enterprise Storage 7 | kernel-docs +5 | 5.3.18-150200.24.129.1 | SUSE-SU-2022:3450-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | dtb-aarch64 | 5.3.18-150300.59.93.1 | SUSE-SU-2022:3264-1 |
| openSUSE Leap 15.3 | dtb-aarch64 +11 | 5.3.18-150300.59.93.1 | SUSE-SU-2022:3264-1 |
| openSUSE Leap 15.3 | kernel-azure +2 | 5.3.18-150300.38.80.1 | SUSE-SU-2022:3609-1 |
| openSUSE Leap 15.3 | kernel-default-base | 5.3.18-150300.59.93.1.150300.18.54.1 | SUSE-SU-2022:3264-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.2 | kernel-default | 5.3.18-150300.59.93.1 | SUSE-SU-2022:3264-1 |
| openSUSE Leap Micro 5.2 | kernel-default-base | 5.3.18-150300.59.93.1.150300.18.54.1 | SUSE-SU-2022:3264-1 |
| openSUSE Leap Micro 5.2 | kernel-rt | 5.3.18-150300.106.1 | SUSE-SU-2022:3809-1 |
Advisories 5
- SUSE-SU-2022:3450-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3609-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3264-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-1374 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 29, 2026
- SUSE-SU-2022:3809-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025