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CVE-2022-48945 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: media: vivid: fix compose size exceed boundary syzkaller found a bug: BUG: unable to handle page fault for address: ffffc9000a3b1000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 100000067 P4D 100000067 PUD 10015f067 PMD 1121ca067 PTE 0 Oops: 0002 [#1] PREEMPT SMP CPU: 0 PID: 23489 Comm: vivid-000-vid-c Not tainted 6.1.0-rc1+ #512 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 RIP: 0010:memcpy_erms+0x6/0x10 [...] Call Trace: <TASK> ? tpg_fill_plane_buffer+0x856/0x15b0 vivid_fillbuff+0x8ac/0x1110 vivid_thread_vid_cap_tick+0x361/0xc90 vivid_thread_vid_cap+0x21a/0x3a0 kthread+0x143/0x180 ret_from_fork+0x1f/0x30 </TASK> This is because we forget to check boundary after adjust compose->height int V4L2_SEL_TGT_CROP case. Add v4l2_rect_map_inside() to fix this problem for this case.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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Hyperlink Resource
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
https://git.kernel.org/stable/c/9c7fba9503b826f0c061d136f8f0c9f953ed18b9
https://git.kernel.org/stable/c/ab54081a2843aefb837812fac5488cc8f1696142
https://git.kernel.org/stable/c/ccb5392c4fea0e7d9f7ab35567e839d74cb3998b
https://git.kernel.org/stable/c/f9d19f3a044ca651b0be52a4bf951ffe74259b9f

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-48945
NVD Published Date:
09/23/2024
NVD Last Modified:
09/26/2024
Source:
kernel.org