{"id":"CVE-2022-49100","state":"PUBLISHED","title":"virtio_console: eliminate anonymous module_init & module_exit","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio_console: eliminate anonymous module_init & module_exit\n\nEliminate anonymous module_init() and module_exit(), which can lead to\nconfusion or ambiguity when reading System.map, crashes/oops/bugs,\nor an initcall_debug log.\n\nGive each of these init and exit functions unique driver-specific\nnames to eliminate the anonymous names.\n\nExample 1: (System.map)\n ffffffff832fc78c t init\n ffffffff832fc79e t init\n ffffffff832fc8f8 t init\n\nExample 2: (initcall_debug log)\n calling  init+0x0/0x12 @ 1\n initcall init+0x0/0x12 returned 0 after 15 usecs\n calling  init+0x0/0x60 @ 1\n initcall init+0x0/0x60 returned 0 after 2 usecs\n calling  init+0x0/0x9a @ 1\n initcall init+0x0/0x9a returned 0 after 74 usecs","publishedAt":"2025-02-26T01:54:51.044Z","updatedAt":"2026-05-11T18:53:06.336Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"93e3d88321d2274fa4e26b006e19cc10fec331c2","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"7deaddb704713608e0ae559e27185581b9af71a0","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"0f3d824bd70a1303464d5e93ee3e7afe7832fe89","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"3504b0a177208eda85bf472bbf7c9aa77d2b8343","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"c69b442125bf009fce26e15aa5616caf8a3673c3","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"44c2d5fbe7b2bd1f8cb114d608a591a73a5d4ae6","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"3fd5dee7404ce40c79cba468bb2510115639d975","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"71612aee09ecea3475f8751dc841d75a011b1fd0","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"fefb8a2a941338d871e2d83fbd65fbfa068857bd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/virtio_console.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.24","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.24","versionType":"semver"},{"version":"4.9.311","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.276","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.238","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.189","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.111","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.34","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.20","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.3","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/virtio_console.c"]}],"references":["https://git.kernel.org/stable/c/93e3d88321d2274fa4e26b006e19cc10fec331c2","https://git.kernel.org/stable/c/7deaddb704713608e0ae559e27185581b9af71a0","https://git.kernel.org/stable/c/0f3d824bd70a1303464d5e93ee3e7afe7832fe89","https://git.kernel.org/stable/c/3504b0a177208eda85bf472bbf7c9aa77d2b8343","https://git.kernel.org/stable/c/c69b442125bf009fce26e15aa5616caf8a3673c3","https://git.kernel.org/stable/c/44c2d5fbe7b2bd1f8cb114d608a591a73a5d4ae6","https://git.kernel.org/stable/c/3fd5dee7404ce40c79cba468bb2510115639d975","https://git.kernel.org/stable/c/71612aee09ecea3475f8751dc841d75a011b1fd0","https://git.kernel.org/stable/c/fefb8a2a941338d871e2d83fbd65fbfa068857bd"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49100.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49100","state":"PUBLISHED","datePublished":"2025-02-26T01:54:51.044Z","dateUpdated":"2026-05-11T18:53:06.336Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T01:49:39.250Z"},"containers":{"cna":{"title":"virtio_console: eliminate anonymous module_init & module_exit","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio_console: eliminate anonymous module_init & module_exit\n\nEliminate anonymous module_init() and module_exit(), which can lead to\nconfusion or ambiguity when reading System.map, crashes/oops/bugs,\nor an initcall_debug log.\n\nGive each of these init and exit functions unique driver-specific\nnames to eliminate the anonymous names.\n\nExample 1: (System.map)\n ffffffff832fc78c t init\n ffffffff832fc79e t init\n ffffffff832fc8f8 t init\n\nExample 2: (initcall_debug log)\n calling  init+0x0/0x12 @ 1\n initcall init+0x0/0x12 returned 0 after 15 usecs\n calling  init+0x0/0x60 @ 1\n initcall init+0x0/0x60 returned 0 after 2 usecs\n calling  init+0x0/0x9a @ 1\n initcall init+0x0/0x9a returned 0 after 74 usecs"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"93e3d88321d2274fa4e26b006e19cc10fec331c2","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"7deaddb704713608e0ae559e27185581b9af71a0","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"0f3d824bd70a1303464d5e93ee3e7afe7832fe89","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"3504b0a177208eda85bf472bbf7c9aa77d2b8343","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"c69b442125bf009fce26e15aa5616caf8a3673c3","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"44c2d5fbe7b2bd1f8cb114d608a591a73a5d4ae6","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"3fd5dee7404ce40c79cba468bb2510115639d975","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"71612aee09ecea3475f8751dc841d75a011b1fd0","versionType":"git"},{"version":"31610434bc3523c0b01a10917a1185096a03c4c8","status":"affected","lessThan":"fefb8a2a941338d871e2d83fbd65fbfa068857bd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/virtio_console.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.24","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.24","versionType":"semver"},{"version":"4.9.311","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.276","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.238","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.189","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.111","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.34","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.20","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.3","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/virtio_console.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/93e3d88321d2274fa4e26b006e19cc10fec331c2"},{"url":"https://git.kernel.org/stable/c/7deaddb704713608e0ae559e27185581b9af71a0"},{"url":"https://git.kernel.org/stable/c/0f3d824bd70a1303464d5e93ee3e7afe7832fe89"},{"url":"https://git.kernel.org/stable/c/3504b0a177208eda85bf472bbf7c9aa77d2b8343"},{"url":"https://git.kernel.org/stable/c/c69b442125bf009fce26e15aa5616caf8a3673c3"},{"url":"https://git.kernel.org/stable/c/44c2d5fbe7b2bd1f8cb114d608a591a73a5d4ae6"},{"url":"https://git.kernel.org/stable/c/3fd5dee7404ce40c79cba468bb2510115639d975"},{"url":"https://git.kernel.org/stable/c/71612aee09ecea3475f8751dc841d75a011b1fd0"},{"url":"https://git.kernel.org/stable/c/fefb8a2a941338d871e2d83fbd65fbfa068857bd"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:53:06.336Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"4.9.311"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"4.14.276"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"4.19.238"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"5.4.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"5.10.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"5.15.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"5.16.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"5.17.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"5.18"}]}]}],"x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