CVE - CVE-2022-48945

CVE-ID
CVE-2022-48945	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/2f558c5208b0f70c8140e08ce09fcc84da48e789 URL:https://git.kernel.org/stable/c/2f558c5208b0f70c8140e08ce09fcc84da48e789 MISC:https://git.kernel.org/stable/c/54f259906039dbfe46c550011409fa16f72370f6 URL:https://git.kernel.org/stable/c/54f259906039dbfe46c550011409fa16f72370f6 MISC:https://git.kernel.org/stable/c/5edc3604151919da8da0fb092b71d7dce07d848a URL:https://git.kernel.org/stable/c/5edc3604151919da8da0fb092b71d7dce07d848a MISC:https://git.kernel.org/stable/c/8c0ee15d9a102c732d0745566d254040085d5663 URL:https://git.kernel.org/stable/c/8c0ee15d9a102c732d0745566d254040085d5663 MISC:https://git.kernel.org/stable/c/94a7ad9283464b75b12516c5512541d467cefcf8 URL:https://git.kernel.org/stable/c/94a7ad9283464b75b12516c5512541d467cefcf8 MISC:https://git.kernel.org/stable/c/9c7fba9503b826f0c061d136f8f0c9f953ed18b9 URL:https://git.kernel.org/stable/c/9c7fba9503b826f0c061d136f8f0c9f953ed18b9 MISC:https://git.kernel.org/stable/c/ab54081a2843aefb837812fac5488cc8f1696142 URL:https://git.kernel.org/stable/c/ab54081a2843aefb837812fac5488cc8f1696142 MISC:https://git.kernel.org/stable/c/ccb5392c4fea0e7d9f7ab35567e839d74cb3998b URL:https://git.kernel.org/stable/c/ccb5392c4fea0e7d9f7ab35567e839d74cb3998b MISC:https://git.kernel.org/stable/c/f9d19f3a044ca651b0be52a4bf951ffe74259b9f URL:https://git.kernel.org/stable/c/f9d19f3a044ca651b0be52a4bf951ffe74259b9f
Assigning CNA
kernel.org
Date Record Created
20240822	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240822)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
This is an record on the CVE List, which provides common identifiers for publicly known cybersecurity vulnerabilities.
Search CVE Using Keywords: You can also search by reference using the CVE Reference Maps.
For More Information: CVE Request Web Form (select "Other" from dropdown)