CVE-2022-49032 (GCVE-0-2022-49032)

Vulnerability from cvelistv5 – Published: 2024-10-21 20:06 – Updated: 2025-05-04 08:28
VLAI?
Title
iio: health: afe4404: Fix oob read in afe4404_[read|write]_raw
Summary
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b36e8257641a043764c62240316610c81e36376c , < 68de7da092f38395dde523f2e5db26eba6c23e28 (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < 113c08030a89aaf406f8a1d4549d758a67c2afba (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < f5575041ec15310bdc50c42b8b22118cc900226e (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < 3f566b626029ca8598d48e5074e56bb37399ca1b (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < 5eb114f55b37dbc0487aa9c1913b81bb7837f1c4 (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < f7419fc42afc035f6b29ce713e17dcd2000c833f (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < d45d9f45e7b1365fd0d9bf14680d6d5082a590d1 (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < fc92d9e3de0b2d30a3ccc08048a5fad533e4672b (git)
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    Linux Linux Affected: 4.8
Unaffected: 0 , < 4.8 (semver)
Unaffected: 4.9.335 , ≤ 4.9.* (semver)
Unaffected: 4.14.301 , ≤ 4.14.* (semver)
Unaffected: 4.19.268 , ≤ 4.19.* (semver)
Unaffected: 5.4.226 , ≤ 5.4.* (semver)
Unaffected: 5.10.158 , ≤ 5.10.* (semver)
Unaffected: 5.15.82 , ≤ 5.15.* (semver)
Unaffected: 6.0.12 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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