CVE-2022-49032

Oct. 24, 2024, 4:04 p.m.

7.1
High

Description

In the Linux kernel, the following vulnerability has been resolved: iio: health: afe4404: Fix oob read in afe4404_[read|write]_raw KASAN report out-of-bounds read as follows: BUG: KASAN: global-out-of-bounds in afe4404_read_raw+0x2ce/0x380 Read of size 4 at addr ffffffffc00e4658 by task cat/278 Call Trace: afe4404_read_raw iio_read_channel_info dev_attr_show The buggy address belongs to the variable: afe4404_channel_leds+0x18/0xffffffffffffe9c0 This issue can be reproduce by singe command: $ cat /sys/bus/i2c/devices/0-0058/iio\:device0/in_intensity6_raw The array size of afe4404_channel_leds and afe4404_channel_offdacs are less than channels, so access with chan->address cause OOB read in afe4404_[read|write]_raw. Fix it by moving access before use them.

Product(s) Impacted

Vendor Product Versions
Linux
  • Linux Kernel
  • *, 6.1

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-125
Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
o linux linux_kernel / / / / / / / /
o linux linux_kernel / / / / / / / /
o linux linux_kernel / / / / / / / /
o linux linux_kernel / / / / / / / /
o linux linux_kernel / / / / / / / /
o linux linux_kernel / / / / / / / /
o linux linux_kernel / / / / / / / /
o linux linux_kernel 6.1 rc1 / / / / / /
o linux linux_kernel 6.1 rc2 / / / / / /
o linux linux_kernel 6.1 rc3 / / / / / /
o linux linux_kernel 6.1 rc4 / / / / / /
o linux linux_kernel 6.1 rc5 / / / / / /
o linux linux_kernel 6.1 rc6 / / / / / /

References

https://git.kernel.org/stable/c/113c08030a89aaf406f8a1d4549d758a67c2afba
https://git.kernel.org/stable/c/3f566b626029ca8598d48e5074e56bb37399ca1b
https://git.kernel.org/stable/c/5eb114f55b37dbc0487aa9c1913b81bb7837f1c4
https://git.kernel.org/stable/c/68de7da092f38395dde523f2e5db26eba6c23e28
https://git.kernel.org/stable/c/d45d9f45e7b1365fd0d9bf14680d6d5082a590d1
https://git.kernel.org/stable/c/f5575041ec15310bdc50c42b8b22118cc900226e
https://git.kernel.org/stable/c/f7419fc42afc035f6b29ce713e17dcd2000c833f
https://git.kernel.org/stable/c/fc92d9e3de0b2d30a3ccc08048a5fad533e4672b

Tags

416baaa9-dc9f-4396-8d5f-8c081fb06d67
CWE-125
2024-10-21
CVE-2022-49032

CVSS Score

7.1 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: NONE
  • Availability Impact: HIGH

    • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

    View Vector String

Timeline

Published: Oct. 21, 2024, 8:15 p.m.
Last Modified: Oct. 24, 2024, 4:04 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.