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Vulnerability · Published May 1, 2025 · Assigned by Linux

CVE-2022-49859net: lapbether: fix issue of invalid opcode in lapbeth_open()

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 0.2% (higher than 11% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.2%top 88.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: fix issue of invalid opcode in lapbeth_open() If lapb_register() failed when lapb device goes to up for the first time, the NAPI is not disabled. As a result, the invalid opcode issue is reported when the lapb device goes to up for the second time. The stack info is as follows: [ 1958.311422][T11356] kernel BUG at net/core/dev.c:6442! [ 1958.312206][T11356] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 1958.315979][T11356] RIP: 0010:napi_enable+0x16a/0x1f0 [ 1958.332310][T11356] Call Trace: [ 1958.332817][T11356] <TASK> [ 1958.336135][T11356] lapbeth_open+0x18/0x90 [ 1958.337446][T11356] __dev_open+0x258/0x490 [ 1958.341672][T11356] __dev_change_flags+0x4d4/0x6a0 [ 1958.345325][T11356] dev_change_flags+0x93/0x160 [ 1958.346027][T11356] devinet_ioctl+0x1276/0x1bf0 [ 1958.346738][T11356] inet_ioctl+0x1c8/0x2d0 [ 1958.349638][T11356] sock_ioctl+0x5d1/0x750 [ 1958.356059][T11356] __x64_sys_ioctl+0x3ec/0x1790 [ 1958.365594][T11356] do_syscall_64+0x35/0x80 [ 1958.366239][T11356] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 1958.377381][T11356] </TASK>

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.0.10-1DEBIAN-CVE-2022-49859
Debian:13linux6.0.10-1DEBIAN-CVE-2022-49859
Debian:14linux6.0.10-1DEBIAN-CVE-2022-49859
Ubuntu:22.04:LTSlinux5.15.0-67.74UBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-aws5.15.0-1031.35UBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-azure5.15.0-1034.41UBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1034.41.1UBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-gcp5.15.0-1030.37UBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-gke5.15.0-1028.33UBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1016.21UBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-ibm5.15.0-1026.29UBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1026.31UBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-kvm5.15.0-1029.34UBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-67.74UBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1023.23UBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-oracle5.15.0-1030.36UBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-raspi5.15.0-1025.27UBUNTU-CVE-2022-49859
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49859
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49859
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49859

Affected products (as reported)

VendorProductVersions
Linux Linux 514e1150da9cd8d7978d990a353636cf1a7a87c2 – before 4689bd3a1b23a1bd917899e63b81bca2ccdfab45514e1150da9cd8d7978d990a353636cf1a7a87c2 – before ed4940050a7ce7fc2ccd51db580ef1ade64290b1514e1150da9cd8d7978d990a353636cf1a7a87c2 – before 3faf7e14ec0c3462c2d747fa6793b8645d1391df
Linux Linux 5.13

References