🛡️ UBUNTU-CVE-2025-21787
⚪ 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: team: better TEAM_OPTION_TYPE_STRING validation syzbot reported following splat [1] Make sure user-provided data contains one nul byte. [1] BUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:633 [inline] BUG: KMSAN: uninit-value in string+0x3ec/0x5f0 lib/vsprintf.c:714 string_nocheck lib/vsprintf.c:633 [inline] string+0x3ec/0x5f0 lib/vsprintf.c:714 vsnprintf+0xa5d/0x1960 lib/vsprintf.c:2843 __request_module+0x252/0x9f0 kernel/module/kmod.c:149 team_mode_get drivers/net/team/team_core.c:480 [inline] team_change_mode drivers/net/team/team_core.c:607 [inline] team_mode_option_set+0x437/0x970 drivers/net/team/team_core.c:1401 team_option_set drivers/net/team/team_core.c:375 [inline] team_nl_options_set_doit+0x1339/0x1f90 drivers/net/team/team_core.c:2662 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x1214/0x12c0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2543 genl_rcv+0x40/0x60 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0xf52/0x1260 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x10da/0x11e0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg+0x30f/0x380 net/socket.c:733 ____sys_sendmsg+0x877/0xb60 net/socket.c:2573 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2627 __sys_sendmsg net/socket.c:2659 [inline] __do_sys_sendmsg net/socket.c:2664 [inline] __se_sys_sendmsg net/socket.c:2662 [inline] __x64_sys_sendmsg+0x212/0x3c0 net/socket.c:2662 x64_sys_call+0x2ed6/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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
linux-azure 6.8.0-1034.39
linux-azure-4.15
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
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-lts-xenial
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

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.