CVE-2022-49948

{"id": "CVE-2022-49948", "cveTags": [], "metrics": {}, "published": "2025-06-18T11:15:21.827", "references": [{"url": "https://git.kernel.org/stable/c/1cf1930369c9dc428d827b60260c53271bff3285", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2535431ae967ad17585513649625fea7db28d4db", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/566f9c9f89337792070b5a6062dff448b3e7977f", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/989201bb8c00b222235aff04e6200230d29dc7bb", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c555cf04684fde39b5b0dd9fd80730030ee10c4a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c904fe03c4bd1f356a58797d39e2a5d0ca15cefc", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e9ba4611ddf676194385506222cce7b0844e708e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f74b4a41c5d7c9522469917e3072e55d435efd9e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "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."}], "lastModified": "2025-06-18T13:46:52.973", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}