CVE-2022-48772
Vulnerability Summary
Timeline
Description
In the Linux kernel, the following vulnerability has been resolved: media: lgdt3306a: Add a check against null-pointer-def The driver should check whether the client provides the platform_data. The following log reveals it: [ 29.610324] BUG: KASAN: null-ptr-deref in kmemdup+0x30/0x40 [ 29.610730] Read of size 40 at addr 0000000000000000 by task bash/414 [ 29.612820] Call Trace: [ 29.613030] <TASK> [ 29.613201] dump_stack_lvl+0x56/0x6f [ 29.613496] ? kmemdup+0x30/0x40 [ 29.613754] print_report.cold+0x494/0x6b7 [ 29.614082] ? kmemdup+0x30/0x40 [ 29.614340] kasan_report+0x8a/0x190 [ 29.614628] ? kmemdup+0x30/0x40 [ 29.614888] kasan_check_range+0x14d/0x1d0 [ 29.615213] memcpy+0x20/0x60 [ 29.615454] kmemdup+0x30/0x40 [ 29.615700] lgdt3306a_probe+0x52/0x310 [ 29.616339] i2c_device_probe+0x951/0xa90
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.24%• Percentile: 16%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- debian•linux
< 5.10.221-1 | < 6.1.94-1 | < 6.9.7-1 | < 6.9.7-1
- ubuntu•linux
< 4.15.0-235.247 | < 5.4.0-192.212 | < 5.15.0-121.131 | < 6.8.0-44.44
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
< 4.15.0-1178.191 | < 5.4.0-1130.140 | < 5.15.0-1069.75 | < 6.8.0-1015.16
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1069.75~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1130.140~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-6.8
< 6.8.0-1015.16~22.04.1
- ubuntu•linux-aws-fips
< 4.15.0-2116.122 | all | < 5.4.0-1130.140+fips1 | < 5.15.0-1069.75+fips1
- ubuntu•linux-aws-hwe
< 4.15.0-1178.191~16.04.1
- ubuntu•linux-azure
< 4.15.0-1186.201~14.04.1 | < 4.15.0-1186.201~16.04.1 | all | < 5.4.0-1135.142 | < 5.15.0-1072.81 | < 6.8.0-1014.16
- ubuntu•linux-azure-4.15
< 4.15.0-1186.201
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1072.81~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1135.142~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-6.8
< 6.8.0-1014.16~22.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | < 5.15.0-1072.81.1
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fips
< 4.15.0-2095.101 | all | < 5.4.0-1135.142+fips1 | < 5.15.0-1072.81+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1090.97 | < 5.15.0-1052.54
- ubuntu•linux-fips
< 4.15.0-1133.144 | all | < 5.4.0-1104.114 | < 5.15.0-121.131+fips1 | < 6.8.0-78.78+fips1
- ubuntu•linux-gcp
< 4.15.0-1171.188~16.04.1 | all | < 5.4.0-1134.143 | < 5.15.0-1068.76 | < 6.8.0-1014.16
- ubuntu•linux-gcp-4.15
< 4.15.0-1171.188
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1068.76~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1134.143~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-6.5
all
- ubuntu•linux-gcp-6.8
< 6.8.0-1014.16~22.04.1
- ubuntu•linux-gcp-fips
< 4.15.0-2079.85 | all | < 5.4.0-1134.143+fips1 | < 5.15.0-1068.76+fips1
- ubuntu•linux-gke
all | < 5.15.0-1066.72 | < 6.8.0-1010.13
Showing first 50 affected entries in server-rendered view.
References (33)
- https://git.kernel.org/stable/c/8915dcd29a82096acacf54364a8425363782aea0
- https://git.kernel.org/stable/c/b479fd59a1f4a342b69fce34f222d93bf791dca4
- https://git.kernel.org/stable/c/526238d32c3acc3d597fd8c9a34652bfe9086cea
- https://git.kernel.org/stable/c/d082757b8359201c3864323cea4b91ea30a1e676
- https://git.kernel.org/stable/c/7d12e918f2994c883f41f22552a61b9310fa1e87
- https://git.kernel.org/stable/c/8e1e00718d0d9dd83337300572561e30b9c0d115
- https://git.kernel.org/stable/c/c1115ddbda9c930fba0fdd062e7a8873ebaf898d
- https://ubuntu.com/security/CVE-2022-48772
- https://www.cve.org/CVERecord?id=CVE-2022-48772
- https://git.kernel.org/linus/c1115ddbda9c930fba0fdd062e7a8873ebaf898d
- https://ubuntu.com/security/notices/USN-6951-1
- https://ubuntu.com/security/notices/USN-6953-1
- https://ubuntu.com/security/notices/USN-6951-2
- https://ubuntu.com/security/notices/USN-6951-3
- https://ubuntu.com/security/notices/USN-6951-4
- https://ubuntu.com/security/notices/USN-6979-1
- https://ubuntu.com/security/notices/USN-6999-1
- https://ubuntu.com/security/notices/USN-7004-1
- https://ubuntu.com/security/notices/USN-7005-1
- https://ubuntu.com/security/notices/USN-7007-1
- https://ubuntu.com/security/notices/USN-7008-1
- https://ubuntu.com/security/notices/USN-7005-2
- https://ubuntu.com/security/notices/USN-7009-1
- https://ubuntu.com/security/notices/USN-7019-1
- https://ubuntu.com/security/notices/USN-7007-2
- https://ubuntu.com/security/notices/USN-6999-2
- https://ubuntu.com/security/notices/USN-7007-3
- https://ubuntu.com/security/notices/USN-7029-1
- https://ubuntu.com/security/notices/USN-7009-2
- https://ubuntu.com/security/notices/USN-7342-1
- https://ubuntu.com/security/notices/USN-7344-1
- https://ubuntu.com/security/notices/USN-7344-2
- https://security-tracker.debian.org/tracker/CVE-2022-48772