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Vulnerability · Published Feb 26, 2025 · Assigned by Linux

CVE-2022-49374tipc: check attribute length for bearer name

Medium 5.5

In plain English

A medium-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 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 79.0% 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: tipc: check attribute length for bearer name syzbot reported uninit-value: ===================================================== BUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:644 [inline] BUG: KMSAN: uninit-value in string+0x4f9/0x6f0 lib/vsprintf.c:725 string_nocheck lib/vsprintf.c:644 [inline] string+0x4f9/0x6f0 lib/vsprintf.c:725 vsnprintf+0x2222/0x3650 lib/vsprintf.c:2806 vprintk_store+0x537/0x2150 kernel/printk/printk.c:2158 vprintk_emit+0x28b/0xab0 kernel/printk/printk.c:2256 vprintk_default+0x86/0xa0 kernel/printk/printk.c:2283 vprintk+0x15f/0x180 kernel/printk/printk_safe.c:50 _printk+0x18d/0x1cf kernel/printk/printk.c:2293 tipc_enable_bearer net/tipc/bearer.c:371 [inline] __tipc_nl_bearer_enable+0x2022/0x22a0 net/tipc/bearer.c:1033 tipc_nl_bearer_enable+0x6c/0xb0 net/tipc/bearer.c:1042 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline] - Do sanity check the attribute length for TIPC_NLA_BEARER_NAME. - Do not use 'illegal name' in printing message.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.18.5-1DEBIAN-CVE-2022-49374
Debian:13linux5.18.5-1DEBIAN-CVE-2022-49374
Debian:14linux5.18.5-1DEBIAN-CVE-2022-49374
Ubuntu:22.04:LTSlinux5.15.0-48.54UBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-aws5.15.0-1020.24UBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-azure5.15.0-1020.25UBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1024.30.1UBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-gcp5.15.0-1018.24UBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-gke5.15.0-1016.19UBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1003.5UBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-ibm5.15.0-1015.17UBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1016.21UBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-kvm5.15.0-1018.22UBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-48.54UBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1007.7UBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-oracle5.15.0-1018.23UBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-raspi5.15.0-1015.17UBUNTU-CVE-2022-49374
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49374
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49374

Affected products (as reported)

VendorProductVersions
Linux Linux cb30a63384bc91d5da06e1cede1115f666a29271 – before f07670871f4d19e613740eebe210e7e9ea535973cb30a63384bc91d5da06e1cede1115f666a29271 – before 8b91d0dfc839e67708c905648cd0e7507a2263e5cb30a63384bc91d5da06e1cede1115f666a29271 – before b8fac8e321044a9ac50f7185b4e9d91a7745e4b0cb30a63384bc91d5da06e1cede1115f666a29271 – before 92a930fcf4250fe961f6238b99af0bc405799f39cb30a63384bc91d5da06e1cede1115f666a29271 – before 292be63c382ce20673ee61dff1ee9ed4a3dcaae7cb30a63384bc91d5da06e1cede1115f666a29271 – before 3af15272cde28fe5c8489174b8624e232c1775eccb30a63384bc91d5da06e1cede1115f666a29271 – before 7f36f798f89bf32c0164049cb0e3fd1af613d0bb
Linux Linux 4.17

Weakness: CWE-908 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References