{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49948","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-06-18T10:57:27.382Z","datePublished":"2025-06-18T11:00:12.364Z","dateUpdated":"2026-05-11T19:09:46.418Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:09:46.418Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nvt: Clear selection before changing the font\n\nWhen changing the console font with ioctl(KDFONTOP) the new font size\ncan be bigger than the previous font. A previous selection may thus now\nbe outside of the new screen size and thus trigger out-of-bounds\naccesses to graphics memory if the selection is removed in\nvc_do_resize().\n\nPrevent such out-of-memory accesses by dropping the selection before the\nvarious con_font_set() console handlers are called."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/vt/vt.c"],"versions":[{"version":"009e39ae44f4191188aeb6dfbf661b771dbbe515","lessThan":"c555cf04684fde39b5b0dd9fd80730030ee10c4a","status":"affected","versionType":"git"},{"version":"009e39ae44f4191188aeb6dfbf661b771dbbe515","lessThan":"e9ba4611ddf676194385506222cce7b0844e708e","status":"affected","versionType":"git"},{"version":"009e39ae44f4191188aeb6dfbf661b771dbbe515","lessThan":"f74b4a41c5d7c9522469917e3072e55d435efd9e","status":"affected","versionType":"git"},{"version":"009e39ae44f4191188aeb6dfbf661b771dbbe515","lessThan":"1cf1930369c9dc428d827b60260c53271bff3285","status":"affected","versionType":"git"},{"version":"009e39ae44f4191188aeb6dfbf661b771dbbe515","lessThan":"989201bb8c00b222235aff04e6200230d29dc7bb","status":"affected","versionType":"git"},{"version":"009e39ae44f4191188aeb6dfbf661b771dbbe515","lessThan":"2535431ae967ad17585513649625fea7db28d4db","status":"affected","versionType":"git"},{"version":"009e39ae44f4191188aeb6dfbf661b771dbbe515","lessThan":"c904fe03c4bd1f356a58797d39e2a5d0ca15cefc","status":"affected","versionType":"git"},{"version":"009e39ae44f4191188aeb6dfbf661b771dbbe515","lessThan":"566f9c9f89337792070b5a6062dff448b3e7977f","status":"affected","versionType":"git"},{"version":"e60f8fcce05042e8f8cea25ee81fecc1222114cf","status":"affected","versionType":"git"},{"version":"5812a9bc9d68a82c2cc839f88e6f7a05093ab39d","status":"affected","versionType":"git"},{"version":"863ad19fd654c485e3beec3575c4d74a1e74369e","status":"affected","versionType":"git"},{"version":"dbc3fd44f957a39407e889287bf61fa0ef3ecc14","status":"affected","versionType":"git"},{"version":"0b2a0a58ad22f9d6dfc641bc5ec46057493f22a5","status":"affected","versionType":"git"},{"version":"9f2d48f0745f921040df91bfe8fa7f0339cd7497","status":"affected","versionType":"git"},{"version":"3425e397fb23cc2e8e6fb8f5b8226dcb447e84dd","status":"affected","versionType":"git"},{"version":"eeae0a12a16650ff494d5faefa371cd9e7079575","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/tty/vt/vt.c"],"versions":[{"version":"4.9","status":"affected"},{"version":"0","lessThan":"4.9","status":"unaffected","versionType":"semver"},{"version":"4.9.328","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.293","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.258","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.213","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.142","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.66","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.19.8","lessThanOrEqual":"5.19.*","status":"unaffected","versionType":"semver"},{"version":"6.0","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":"4.9","versionEndExcluding":"4.9.328"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"4.14.293"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"4.19.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.4.213"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.10.142"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.15.66"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.19.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2.85"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10.105"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12.68"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18.45"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.31"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8.7"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/c555cf04684fde39b5b0dd9fd80730030ee10c4a"},{"url":"https://git.kernel.org/stable/c/e9ba4611ddf676194385506222cce7b0844e708e"},{"url":"https://git.kernel.org/stable/c/f74b4a41c5d7c9522469917e3072e55d435efd9e"},{"url":"https://git.kernel.org/stable/c/1cf1930369c9dc428d827b60260c53271bff3285"},{"url":"https://git.kernel.org/stable/c/989201bb8c00b222235aff04e6200230d29dc7bb"},{"url":"https://git.kernel.org/stable/c/2535431ae967ad17585513649625fea7db28d4db"},{"url":"https://git.kernel.org/stable/c/c904fe03c4bd1f356a58797d39e2a5d0ca15cefc"},{"url":"https://git.kernel.org/stable/c/566f9c9f89337792070b5a6062dff448b3e7977f"}],"title":"vt: Clear selection before changing the font","x_generator":{"engine":"bippy-1.2.0"}}}}