{"cve":"CVE-2022-48945","nvd":{"published":"2024-09-23T10:15:02.467","modified":"2026-08-04T10:17:27.793","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: vivid: fix compose size exceed boundary\n\nsyzkaller found a bug:\n\n BUG: unable to handle page fault for address: ffffc9000a3b1000\n #PF: supervisor write access in kernel mode\n #PF: error_code(0x0002) - not-present page\n PGD 100000067 P4D 100000067 PUD 10015f067 PMD 1121ca067 PTE 0\n Oops: 0002 [#1] PREEMPT SMP\n CPU: 0 PID: 23489 Comm: vivid-000-vid-c Not tainted 6.1.0-rc1+ #512\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\n RIP: 0010:memcpy_erms+0x6/0x10\n[...]\n Call Trace:\n  <TASK>\n  ? tpg_fill_plane_buffer+0x856/0x15b0\n  vivid_fillbuff+0x8ac/0x1110\n  vivid_thread_vid_cap_tick+0x361/0xc90\n  vivid_thread_vid_cap+0x21a/0x3a0\n  kthread+0x143/0x180\n  ret_from_fork+0x1f/0x30\n  </TASK>\n\nThis is because we forget to check boundary after adjust compose->height\nint V4L2_SEL_TGT_CROP case. Add v4l2_rect_map_inside() to fix this problem\nfor this case.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/2f558c5208b0f70c8140e08ce09fcc84da48e789","https://git.kernel.org/stable/c/54f259906039dbfe46c550011409fa16f72370f6","https://git.kernel.org/stable/c/5edc3604151919da8da0fb092b71d7dce07d848a","https://git.kernel.org/stable/c/8c0ee15d9a102c732d0745566d254040085d5663","https://git.kernel.org/stable/c/94a7ad9283464b75b12516c5512541d467cefcf8"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:54:38.012257375+00:00"},"epss":{"cve":"CVE-2022-48945","score":0.00216,"percentile":0.12044,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}