Description
In the Linux kernel, the following vulnerability has been resolved:
smb: client: let recv_done verify data_offset, data_length and remaining_data_length
This is inspired by the related server fixes.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux | Linux | 4.16 | 6.1.191 |
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 | 6.16.9-1 | — |
| Debian 13 | linux | 6.12.115-2 | — |
| Debian 12 | linux | No fix yet | — |
| Debian 12 | linux-6.12 | 6.12.115-2~deb12u1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Nvidia-BlueField 24.04 LTS | linux-bluefield | No fix yet | — |
| Ubuntu Nvidia-BlueField 22.04 LTS | linux-bluefield | No fix yet | — |
| Ubuntu 25.10 | linux-azure-fde | No fix yet | — |
| Ubuntu 24.04 LTS | linux +36 | No fix yet | — |
| Ubuntu 24.04 LTS | linux-nvidia-tegra | 6.8.0-1035.38 | USN-8781-1 |
| Ubuntu 22.04 LTS | linux +59 | No fix yet | — |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | linux-gke +28 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime +2 | No fix yet | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime +2 | No fix yet | — |
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 24.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 22.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-preview 22.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | linux +21 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | linux-aws-5.4 +6 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | rv +76 | 6.12.0-124.35.1.el10_1 | RHSA-2026:2282 |
| RHEL 9 | rv +75 | 5.14.0-611.24.1.el9_7 | RHSA-2026:0793 |
| RHEL 8 | kernel-rt +11 | 4.18.0-553.94.1.rt7.435.el8_10 | RHSA-2026:0760 |
| RHEL 8 | perf +22 | 4.18.0-553.94.1.el8_10 | RHSA-2026:0759 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10.0 EUS | rv +77 | 6.12.0-55.58.1.el10_0 | RHSA-2026:1727 |
| RHEL 9.6 EUS | rv +77 | 5.14.0-570.89.1.el9_6 | RHSA-2026:2759 |
| RHEL 9.4 EUS | bpftool | 7.3.0-427.111.1.el9_4 | RHSA-2026:2766 |
| RHEL 9.4 EUS | rv +64 | 5.14.0-427.111.1.el9_4 | RHSA-2026:2766 |
| RHEL 9.2 E4S | bpftool | 7.0.0-284.158.1.el9_2 | RHSA-2026:3267 |
| RHEL 9.2 E4S | kernel-rt +14 | 5.14.0-284.158.1.rt14.443.el9_2 | RHSA-2026:3358 |
| RHEL 9.2 E4S | perf +47 | 5.14.0-284.158.1.el9_2 | RHSA-2026:3267 |
| RHEL 9.0 E4S | kernel-rt +12 | 5.14.0-70.167.1.rt21.239.el9_0 | RHSA-2026:3375 |
| RHEL 9.0 E4S | perf +28 | 5.14.0-70.167.1.el9_0 | RHSA-2026:3293 |
| RHEL 8.8 TUS | perf +17 | 4.18.0-477.130.1.el8_8 | RHSA-2026:3277 |
| RHEL 8.8 E4S | perf +18 | 4.18.0-477.130.1.el8_8 | RHSA-2026:3277 |
| RHEL 8.6 TUS | perf +17 | 4.18.0-372.181.1.el8_6 | RHSA-2026:3268 |
| RHEL 8.6 E4S | perf +25 | 4.18.0-372.181.1.el8_6 | RHSA-2026:3268 |
| RHEL 8.6 AUS | perf +17 | 4.18.0-372.181.1.el8_6 | RHSA-2026:3268 |
| RHEL 8.4 EUS Long Life | perf +17 | 4.18.0-305.186.1.el8_4 | RHSA-2026:3360 |
| RHEL 8.4 AUS | perf +17 | 4.18.0-305.186.1.el8_4 | RHSA-2026:3360 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | kernel-doc +1 | 6.12.0-124.35.1.el10_1 | ALSA-2026:2282 |
| AlmaLinux 9 | rv +73 | 5.14.0-611.24.1.el9_7 | ALSA-2026:0793 |
| AlmaLinux 8 | kernel-rt +9 | 4.18.0-553.94.1.rt7.435.el8_10 | ALSA-2026:0760 |
| AlmaLinux 8 | perf +24 | 4.18.0-553.94.1.el8_10 | ALSA-2026:0759 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | kernel | 6.12.0-124.35.1.el10_1 | RLSA-2026:2282 |
| Rocky Linux 9 | kernel | 5.14.0-611.24.1.el9_7 | RLSA-2026:0793 |
| Rocky Linux 8 | kernel | 4.18.0-553.94.1.el8_10 | RLSA-2026:0759 |
| Rocky Linux 8 | kernel-rt | 4.18.0-553.94.1.rt7.435.el8_10 | RLSA-2026:0760 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | rv +29 | 6.12.0-124.35.1.el10_1 | ELSA-2026-2282 |
| Oracle Linux 9 | rv +28 | 5.14.0-611.24.1.el9_7 | ELSA-2026-0793 |
| Oracle Linux 8 | perf +19 | 4.18.0-553.94.1.el8_10 | ELSA-2026-0759 |
Advisories 28
- RHSA-2026:3268 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2026:3277 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2026:3360 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2026:1727 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- WID-SEC-2025-2194 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
- USN-8781-1 linux-nvidia-tegra vulnerabilities Ubuntu Security Notices (USN) · Nov 9, 2026
- ALSA-2026:0793 Important: kernel security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:2282 Moderate: kernel security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:0759 Important: kernel security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:0760 Important: kernel-rt security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2026:0793 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Sep 25, 2026
- WID-SEC-2026-0783 IBM QRadar SIEM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 17, 2026
- RHSA-2026:2282 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Sep 9, 2026
- RHSA-2026:3375 Red Hat Security Advisory: kernel-rt security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:3358 Red Hat Security Advisory: kernel-rt security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:3293 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:3267 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:0760 Red Hat Security Advisory: kernel-rt security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:0759 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Aug 22, 2026
- RHSA-2026:2766 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jul 30, 2026
- RHSA-2026:2759 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jul 30, 2026
- RLSA-2026:2282 Moderate: kernel security update Rocky Linux Security Advisories · Feb 15, 2026
- ELSA-2026-2282 Moderate: kernel security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Feb 9, 2026
- RLSA-2026:0759 Important: kernel security update Rocky Linux Security Advisories · Jan 24, 2026
- RLSA-2026:0760 Important: kernel-rt security update Rocky Linux Security Advisories · Jan 24, 2026
- RLSA-2026:0793 Important: kernel security update Rocky Linux Security Advisories · Jan 24, 2026
- ELSA-2026-0793 Important: kernel security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jan 20, 2026
- ELSA-2026-0759 Important: kernel security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jan 19, 2026
References
- https://git.kernel.org/stable/c/fdc23a47be015fba915c4f9dfd43c65ad4829a35
- https://git.kernel.org/stable/c/f23d5c6b7540ec9b1e73a8ea3b2ae9045248d728
- https://git.kernel.org/stable/c/241e58de23e7c1bbb9bee526c17d9a0f2a90fbad
- https://git.kernel.org/stable/c/581fb78e0388b78911b0c920e4073737090c8b5f
- https://git.kernel.org/stable/c/f57e53ea252363234f86674db475839e5b87102e