CVE-2022-48945
"Vivid Linux Kernel Media Driver Out-of-Bounds Write Vulnerability"
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.
INFO
Published Date :
Sept. 23, 2024, 10:15 a.m.
Last Modified :
Sept. 26, 2024, 1:32 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
References to Advisories, Solutions, and Tools
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CVE-2022-48945
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CVE-2022-48945
vulnerability over time.
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CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Sep. 23, 2024
Action Type Old Value New Value Added 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. Added Reference kernel.org https://git.kernel.org/stable/c/8c0ee15d9a102c732d0745566d254040085d5663 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/5edc3604151919da8da0fb092b71d7dce07d848a [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/9c7fba9503b826f0c061d136f8f0c9f953ed18b9 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/54f259906039dbfe46c550011409fa16f72370f6 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/f9d19f3a044ca651b0be52a4bf951ffe74259b9f [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/ab54081a2843aefb837812fac5488cc8f1696142 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/ccb5392c4fea0e7d9f7ab35567e839d74cb3998b [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/2f558c5208b0f70c8140e08ce09fcc84da48e789 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/94a7ad9283464b75b12516c5512541d467cefcf8 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-48945
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-48945
weaknesses.