{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49859","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-05-01T14:05:17.235Z","datePublished":"2025-05-01T14:10:13.204Z","dateUpdated":"2026-05-11T19:08:07.378Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:08:07.378Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lapbether: fix issue of invalid opcode in lapbeth_open()\n\nIf lapb_register() failed when lapb device goes to up for the first time,\nthe NAPI is not disabled. As a result, the invalid opcode issue is\nreported when the lapb device goes to up for the second time.\n\nThe stack info is as follows:\n[ 1958.311422][T11356] kernel BUG at net/core/dev.c:6442!\n[ 1958.312206][T11356] invalid opcode: 0000 [#1] PREEMPT SMP KASAN\n[ 1958.315979][T11356] RIP: 0010:napi_enable+0x16a/0x1f0\n[ 1958.332310][T11356] Call Trace:\n[ 1958.332817][T11356]  <TASK>\n[ 1958.336135][T11356]  lapbeth_open+0x18/0x90\n[ 1958.337446][T11356]  __dev_open+0x258/0x490\n[ 1958.341672][T11356]  __dev_change_flags+0x4d4/0x6a0\n[ 1958.345325][T11356]  dev_change_flags+0x93/0x160\n[ 1958.346027][T11356]  devinet_ioctl+0x1276/0x1bf0\n[ 1958.346738][T11356]  inet_ioctl+0x1c8/0x2d0\n[ 1958.349638][T11356]  sock_ioctl+0x5d1/0x750\n[ 1958.356059][T11356]  __x64_sys_ioctl+0x3ec/0x1790\n[ 1958.365594][T11356]  do_syscall_64+0x35/0x80\n[ 1958.366239][T11356]  entry_SYSCALL_64_after_hwframe+0x46/0xb0\n[ 1958.377381][T11356]  </TASK>"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wan/lapbether.c"],"versions":[{"version":"514e1150da9cd8d7978d990a353636cf1a7a87c2","lessThan":"4689bd3a1b23a1bd917899e63b81bca2ccdfab45","status":"affected","versionType":"git"},{"version":"514e1150da9cd8d7978d990a353636cf1a7a87c2","lessThan":"ed4940050a7ce7fc2ccd51db580ef1ade64290b1","status":"affected","versionType":"git"},{"version":"514e1150da9cd8d7978d990a353636cf1a7a87c2","lessThan":"3faf7e14ec0c3462c2d747fa6793b8645d1391df","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wan/lapbether.c"],"versions":[{"version":"5.13","status":"affected"},{"version":"0","lessThan":"5.13","status":"unaffected","versionType":"semver"},{"version":"5.15.79","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.9","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"5.15.79"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.0.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/4689bd3a1b23a1bd917899e63b81bca2ccdfab45"},{"url":"https://git.kernel.org/stable/c/ed4940050a7ce7fc2ccd51db580ef1ade64290b1"},{"url":"https://git.kernel.org/stable/c/3faf7e14ec0c3462c2d747fa6793b8645d1391df"}],"title":"net: lapbether: fix issue of invalid opcode in lapbeth_open()","x_generator":{"engine":"bippy-1.2.0"}}}}