{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43123","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:55.987Z","datePublished":"2026-05-06T11:27:09.553Z","dateUpdated":"2026-05-11T22:18:12.071Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:18:12.071Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nfbcon: check return value of con2fb_acquire_newinfo()\n\nIf fbcon_open() fails when called from con2fb_acquire_newinfo() then\ninfo->fbcon_par pointer remains NULL which is later dereferenced.\n\nAdd check for return value of the function con2fb_acquire_newinfo() to\navoid it.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/video/fbdev/core/fbcon.c"],"versions":[{"version":"d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e","lessThan":"d3e535533767c85788529e626478718b7e95a59f","status":"affected","versionType":"git"},{"version":"d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e","lessThan":"3b5a754ec86bc6064af9aca76eb191c2405e6b0c","status":"affected","versionType":"git"},{"version":"d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e","lessThan":"a785c4e2a999c2d51dfcf40d317cfb30cc735d2c","status":"affected","versionType":"git"},{"version":"d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e","lessThan":"0b038c0be6827dd2dbb1ce4f8d92d97c80cbe9cc","status":"affected","versionType":"git"},{"version":"d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e","lessThan":"11a93180a70bb3095a9bd80d113d9277e30d9959","status":"affected","versionType":"git"},{"version":"d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e","lessThan":"f57b61624c86ef8f87f6e6b7dd0755de03d90e89","status":"affected","versionType":"git"},{"version":"d1baa4ffa677bf6986c460fcfd4cdaf8bfe66f0e","lessThan":"011a0502801c8536f64141a2b61362c14f456544","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/video/fbdev/core/fbcon.c"],"versions":[{"version":"2.6.23","status":"affected"},{"version":"0","lessThan":"2.6.23","status":"unaffected","versionType":"semver"},{"version":"5.15.203","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.165","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.128","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.75","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.16","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.6","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"2.6.23","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.23","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.23","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.23","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.23","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.23","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.23","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d3e535533767c85788529e626478718b7e95a59f"},{"url":"https://git.kernel.org/stable/c/3b5a754ec86bc6064af9aca76eb191c2405e6b0c"},{"url":"https://git.kernel.org/stable/c/a785c4e2a999c2d51dfcf40d317cfb30cc735d2c"},{"url":"https://git.kernel.org/stable/c/0b038c0be6827dd2dbb1ce4f8d92d97c80cbe9cc"},{"url":"https://git.kernel.org/stable/c/11a93180a70bb3095a9bd80d113d9277e30d9959"},{"url":"https://git.kernel.org/stable/c/f57b61624c86ef8f87f6e6b7dd0755de03d90e89"},{"url":"https://git.kernel.org/stable/c/011a0502801c8536f64141a2b61362c14f456544"}],"title":"fbcon: check return value of con2fb_acquire_newinfo()","x_generator":{"engine":"bippy-1.2.0"}}}}