🛡️ UBUNTU-CVE-2025-21791
⚪ Unknown
✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10
Description
In the Linux kernel, the following vulnerability has been resolved: vrf: use RCU protection in l3mdev_l3_out() l3mdev_l3_out() can be called without RCU being held: raw_sendmsg() ip_push_pending_frames() ip_send_skb() ip_local_out() __ip_local_out() l3mdev_ip_out() Add rcu_read_lock() / rcu_read_unlock() pair to avoid a potential UAF.
Details
Severity
Unknown
CVSS Score
N/A
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
N/A
Public Exploit
✅ No
Source
OSV
Published
2025-02-27
Updated
2026-06-15
Modified
2026-06-08
Fix URL
N/A
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| linux | — | 6.8.0-78.78 |
| linux-allwinner-5.19 | — | — |
| linux-aws | — | 6.8.0-1035.37 |
| linux-aws-5.0 | — | — |
| linux-aws-5.11 | — | — |
| linux-aws-5.13 | — | — |
| linux-aws-5.15 | — | 5.15.0-1084.91~20.04.1 |
| linux-aws-5.19 | — | — |
| linux-aws-5.3 | — | — |
| linux-aws-5.4 | — | 5.4.0-1146.156~18.04.1 |
| linux-aws-5.8 | — | — |
| linux-aws-6.2 | — | — |
| linux-aws-6.5 | — | — |
| linux-aws-6.8 | — | 6.8.0-1035.37~22.04.1 |
| linux-aws-fips | — | 5.15.0-1084.91+fips1 |
| linux-aws-hwe | — | 4.15.0-1187.200~16.04.1 |
| linux-azure | — | 6.8.0-1034.39 |
| linux-azure-4.15 | — | 4.15.0-1195.210 |
| linux-azure-5.11 | — | — |
| linux-azure-5.13 | — | — |
| linux-azure-5.15 | — | 5.15.0-1089.98~20.04.1 |
| linux-azure-5.19 | — | — |
| linux-azure-5.3 | — | — |
| linux-azure-5.4 | — | 5.4.0-1151.158~18.04.1 |
| linux-azure-5.8 | — | — |
| linux-azure-6.11 | — | 6.11.0-1015.15~24.04.1 |
| linux-azure-6.2 | — | — |
| linux-azure-6.5 | — | — |
| linux-azure-6.8 | — | 6.8.0-1034.39~22.04.1 |
| linux-azure-edge | — | — |
| linux-azure-fde | — | — |
| linux-azure-fde-5.19 | — | — |
| linux-azure-fde-6.2 | — | — |
| linux-azure-fips | — | 5.15.0-1089.98+fips1 |
| linux-azure-nvidia | — | 6.8.0-1022.23 |
| linux-bluefield | — | — |
| linux-fips | — | 6.8.0-78.78+fips1 |
| linux-gcp | — | 6.8.0-1036.38 |
| linux-gcp-4.15 | — | 4.15.0-1180.197 |
| linux-gcp-5.11 | — | — |
| linux-gcp-5.13 | — | — |
| linux-gcp-5.15 | — | 5.15.0-1083.92~20.04.1 |
| linux-gcp-5.19 | — | — |
| linux-gcp-5.3 | — | — |
| linux-gcp-5.4 | — | 5.4.0-1149.158~18.04.1 |
| linux-gcp-5.8 | — | — |
| linux-gcp-6.11 | — | 6.11.0-1015.15~24.04.1 |
| linux-gcp-6.2 | — | — |
| linux-gcp-6.5 | — | — |
| linux-gcp-6.8 | — | 6.8.0-1036.38~22.04.1 |
| linux-gcp-fips | — | 5.15.0-1083.92+fips1 |
| linux-gke | — | 6.8.0-1032.36 |
| linux-gke-4.15 | — | — |
| linux-gke-5.15 | — | — |
| linux-gke-5.4 | — | — |
| linux-gkeop | — | 6.8.0-1019.21 |
| linux-gkeop-5.15 | — | — |
| linux-gkeop-5.4 | — | — |
| linux-hwe | — | — |
| linux-hwe-5.11 | — | — |
| linux-hwe-5.13 | — | — |
| linux-hwe-5.15 | — | 5.15.0-142.152~20.04.1 |
| linux-hwe-5.19 | — | — |
| linux-hwe-5.4 | — | 5.4.0-216.236~18.04.1 |
| linux-hwe-5.8 | — | — |
| linux-hwe-6.11 | — | 6.11.0-26.26~24.04.1 |
| linux-hwe-6.2 | — | — |
| linux-hwe-6.5 | — | — |
| linux-hwe-6.8 | — | 6.8.0-78.78~22.04.1 |
| linux-hwe-edge | — | — |
| linux-ibm | — | 6.8.0-1033.33 |
| linux-ibm-5.15 | — | 5.15.0-1076.79~20.04.1 |
| linux-ibm-5.4 | — | 5.4.0-1092.97~18.04.1 |
| linux-ibm-6.8 | — | 6.8.0-1033.33~22.04.1 |
| linux-intel | — | — |
| linux-intel-5.13 | — | — |
| linux-intel-iot-realtime | — | 5.15.0-1077.79 |
| linux-intel-iotg | — | 5.15.0-1079.85 |
| linux-intel-iotg-5.15 | — | 5.15.0-1079.85~20.04.1 |
| linux-iot | — | 5.4.0-1051.54 |
| linux-kvm | — | 5.15.0-1080.85 |
| linux-lowlatency | — | 6.8.0-78.78.1 |
| linux-lowlatency-hwe-5.15 | — | 5.15.0-140.150~20.04.1 |
| linux-lowlatency-hwe-5.19 | — | — |
| linux-lowlatency-hwe-6.11 | — | 6.11.0-1014.15~24.04.1 |
| linux-lowlatency-hwe-6.2 | — | — |
| linux-lowlatency-hwe-6.5 | — | — |
| linux-lowlatency-hwe-6.8 | — | 6.8.0-78.78.1~22.04.1 |
| linux-nvidia | — | 6.8.0-1035.38 |
| linux-nvidia-6.11 | — | 6.11.0-1010.10 |
| linux-nvidia-6.2 | — | — |
| linux-nvidia-6.5 | — | — |
| linux-nvidia-6.8 | — | 6.8.0-1035.38~22.04.1 |
| linux-nvidia-lowlatency | — | 6.8.0-1035.38.1 |
| linux-nvidia-tegra | — | 6.8.0-1009.9 |
| linux-nvidia-tegra-5.15 | — | 5.15.0-1039.39~20.04.1 |
| linux-nvidia-tegra-igx | — | 5.15.0-1026.26 |
| linux-oem | — | — |
| linux-oem-5.10 | — | — |
| linux-oem-5.13 | — | — |
| linux-oem-5.14 | — | — |
| linux-oem-5.17 | — | — |
| linux-oem-5.6 | — | — |
| linux-oem-6.0 | — | — |
| linux-oem-6.1 | — | — |
| linux-oem-6.11 | — | 6.11.0-1022.22 |
| linux-oem-6.5 | — | — |
| linux-oem-6.8 | — | — |
| linux-oracle | — | 6.8.0-1032.33 |
| linux-oracle-5.0 | — | — |
| linux-oracle-5.11 | — | — |
| linux-oracle-5.13 | — | — |
| linux-oracle-5.15 | — | 5.15.0-1081.87~20.04.1 |
| linux-oracle-5.3 | — | — |
| linux-oracle-5.4 | — | 5.4.0-1144.154~18.04.1 |
| linux-oracle-5.8 | — | — |
| linux-oracle-6.5 | — | — |
| linux-oracle-6.8 | — | 6.8.0-1032.33~22.04.1 |
| linux-raspi | — | 6.8.0-1035.39 |
| linux-raspi-5.4 | — | 5.4.0-1129.142~18.04.1 |
| linux-raspi-realtime | — | 6.8.0-2028.29 |
| linux-raspi2 | — | — |
| linux-realtime | — | 6.8.1-1030.31 |
| linux-realtime-6.8 | — | 6.8.1-1030.31~22.04.1 |
| linux-riscv | — | — |
| linux-riscv-5.11 | — | — |
| linux-riscv-5.15 | — | 5.15.0-1079.83~20.04.1 |
| linux-riscv-5.19 | — | — |
| linux-riscv-5.8 | — | — |
| linux-riscv-6.5 | — | — |
| linux-riscv-6.8 | — | 6.8.0-78.78~22.04.1 |
| linux-starfive-5.19 | — | — |
| linux-starfive-6.2 | — | — |
| linux-starfive-6.5 | — | — |
| linux-xilinx | — | 6.8.0-1017.18 |
| linux-xilinx-zynqmp | — | 5.15.0-1050.54 |
References
Similar Threats
- Unknown CGA-23jx-hhcx-m389
- Unknown CGA-2qp7-6757-fmgc
- Unknown CGA-2rj5-jc55-r267
- Unknown CGA-3m96-cwq8-6xmx
- Unknown CGA-3qj9-973w-fh9g
Patch Gap Protection
Running software with known vulnerabilities?
BotEraser can help reduce exposure by blocking IPs associated with exploit activity — even before a patch is available.
Start Free →No credit card required · Results in minutes
ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.
