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Vulnerability · Published Apr 16, 2025 · Assigned by Linux

CVE-2025-22062sctp: add mutual exclusion in proc_sctp_do_udp_port()

High 7.8

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 77.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: sctp: add mutual exclusion in proc_sctp_do_udp_port() We must serialize calls to sctp_udp_sock_stop() and sctp_udp_sock_start() or risk a crash as syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f] CPU: 1 UID: 0 PID: 6551 Comm: syz.1.44 Not tainted 6.14.0-syzkaller-g7f2ff7b62617 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:kernel_sock_shutdown+0x47/0x70 net/socket.c:3653 Call Trace: <TASK> udp_tunnel_sock_release+0x68/0x80 net/ipv4/udp_tunnel_core.c:181 sctp_udp_sock_stop+0x71/0x160 net/sctp/protocol.c:930 proc_sctp_do_udp_port+0x264/0x450 net/sctp/sysctl.c:553 proc_sys_call_handler+0x3d0/0x5b0 fs/proc/proc_sysctl.c:601 iter_file_splice_write+0x91c/0x1150 fs/splice.c:738 do_splice_from fs/splice.c:935 [inline] direct_splice_actor+0x18f/0x6c0 fs/splice.c:1158 splice_direct_to_actor+0x342/0xa30 fs/splice.c:1102 do_splice_direct_actor fs/splice.c:1201 [inline] do_splice_direct+0x174/0x240 fs/splice.c:1227 do_sendfile+0xafd/0xe50 fs/read_write.c:1368 __do_sys_sendfile64 fs/read_write.c:1429 [inline] __se_sys_sendfile64 fs/read_write.c:1415 [inline] __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1415 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.140-1DSA-5925-1
Debian:12linux6.1.140-1DEBIAN-CVE-2025-22062
Debian:13linux6.12.25-1DEBIAN-CVE-2025-22062
Debian:14linux6.12.25-1DEBIAN-CVE-2025-22062
Ubuntu:22.04:LTSlinux5.15.0-144.157USN-7654-1
Ubuntu:22.04:LTSlinux5.15.0-144.157UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux6.8.0-86.87USN-7835-1
Ubuntu:24.04:LTSlinux6.8.0-86.87UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-aws5.15.0-1088.95USN-7654-1
Ubuntu:22.04:LTSlinux-aws5.15.0-1088.95UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-aws6.8.0-1041.43USN-7835-1
Ubuntu:24.04:LTSlinux-aws6.8.0-1041.43UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1041.43~22.04.1USN-7835-6
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1041.43~22.04.1UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-azure5.15.0-1094.103USN-7711-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1094.103UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-azure6.8.0-1041.47USN-7835-1
Ubuntu:24.04:LTSlinux-azure6.8.0-1041.47UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-azure-6.116.11.0-1018.18~24.04.1UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1041.47~22.04.1UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1041.47~22.04.1USN-7835-1
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1094.103.1UBUNTU-CVE-2025-22062
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1029.32UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1029.32USN-7940-2
Ubuntu:22.04:LTSlinux-gcp5.15.0-1087.96USN-7654-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1087.96UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-gcp6.8.0-1042.45USN-7835-1
Ubuntu:24.04:LTSlinux-gcp6.8.0-1042.45UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-gcp-6.116.11.0-1016.16~24.04.1UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1042.45~22.04.1USN-7835-3
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1042.45~22.04.1UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-gke5.15.0-1085.91USN-7654-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1085.91UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-gke6.8.0-1038.43USN-7835-3
Ubuntu:24.04:LTSlinux-gke6.8.0-1038.43UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1070.78USN-7654-1
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1070.78UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1025.28UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1025.28USN-7835-1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-hwe-6.116.11.0-28.28~24.04.1UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-86.87~22.04.1UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-86.87~22.04.1USN-7835-4
Ubuntu:22.04:LTSlinux-ibm5.15.0-1080.83USN-7654-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1080.83UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-ibm6.8.0-1039.39UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-ibm6.8.0-1039.39USN-7835-1
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1039.39~22.04.1UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1039.39~22.04.1USN-7835-1
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1083.89USN-7654-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1083.89UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-kvm5.15.0-1084.89USN-7654-4
Ubuntu:22.04:LTSlinux-kvm5.15.0-1084.89UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-144.157UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-144.157USN-7654-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-86.87.1UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-86.87.1USN-7835-1
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.116.11.0-1015.16~24.04.2UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-86.87.1~22.04.1USN-7835-1
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-86.87.1~22.04.1UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1082.83UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1082.83USN-7654-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1041.44UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1041.44USN-7835-3
Ubuntu:24.04:LTSlinux-nvidia-6.116.11.0-1012.12UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1041.44~22.04.2USN-7835-3
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1041.44~22.04.2UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1041.44.1UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1041.44.1USN-7835-3
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1041.41USN-7654-1
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1041.41UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1012.12UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1030.30USN-7654-1
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1030.30UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-oem-6.116.11.0-1024.24UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-oracle5.15.0-1085.91USN-7654-1
Ubuntu:22.04:LTSlinux-oracle5.15.0-1085.91UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-oracle6.8.0-1038.39UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-oracle6.8.0-1038.39USN-7835-1
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1038.39~22.04.1USN-7835-5
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1038.39~22.04.1UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-raspi5.15.0-1083.86UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-raspi5.15.0-1083.86USN-7686-1
Ubuntu:24.04:LTSlinux-raspi6.8.0-1041.45UBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-raspi6.8.0-1041.45USN-7887-2
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-86.87~22.04.1UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-22062
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1018.19UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1052.56UBUNTU-CVE-2025-22062
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1052.56USN-7654-5

Affected products (as reported)

VendorProductVersions
Linux Linux 046c052b475e7119b6a30e3483e2888fc606a2f8 – before 65ccb2793da7401772a3ffe85355c831b313c59f046c052b475e7119b6a30e3483e2888fc606a2f8 – before 386507cb6fb7cdef598ddcb3f0fa37e6ca9e789d046c052b475e7119b6a30e3483e2888fc606a2f8 – before b3598f53211ba1025485306de2733bdd241311a3046c052b475e7119b6a30e3483e2888fc606a2f8 – before e5178bfc55b3a78000f0f8298e7ade88783ce581046c052b475e7119b6a30e3483e2888fc606a2f8 – before efb8cb487be8f4ba6aaef616011d702d6a083ed1046c052b475e7119b6a30e3483e2888fc606a2f8 – before d3d7675d77622f6ca1aae14c51f80027b36283f8046c052b475e7119b6a30e3483e2888fc606a2f8 – before 10206302af856791fbcc27a33ed3c3eb09b2793d
Linux Linux 5.11

References