CVE-2022-49031 (GCVE-0-2022-49031)

Vulnerability from cvelistv5 – Published: 2024-10-21 20:06 – Updated: 2025-05-04 08:28
VLAI?
Title
iio: health: afe4403: Fix oob read in afe4403_read_raw
Summary
In the Linux kernel, the following vulnerability has been resolved: iio: health: afe4403: Fix oob read in afe4403_read_raw KASAN report out-of-bounds read as follows: BUG: KASAN: global-out-of-bounds in afe4403_read_raw+0x42e/0x4c0 Read of size 4 at addr ffffffffc02ac638 by task cat/279 Call Trace: afe4403_read_raw iio_read_channel_info dev_attr_show The buggy address belongs to the variable: afe4403_channel_leds+0x18/0xffffffffffffe9e0 This issue can be reproduced by singe command: $ cat /sys/bus/spi/devices/spi0.0/iio\:device0/in_intensity6_raw The array size of afe4403_channel_leds is less than channels, so access with chan->address cause OOB read in afe4403_read_raw. Fix it by moving access before use it.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b36e8257641a043764c62240316610c81e36376c , < 98afcb5f3be645d330c74c5194ba0d80e26f95e0 (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < c9268df36818ee4eaaaeadc80009b442a5ca69c9 (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < 726fa3e4ab97dcff1c745bdc4fb137366cb8d3df (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < 2d6a437064ffbe685c67ddb16dfc0946074c6c3f (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < b1756af172fb80a3edc143772d49e166ec691b6c (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < e7e76a77aabef8989cbc0a8417af1aa040620867 (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < 06c6ce21cec77dfa860d57e7a006000a57812efb (git)
Affected: b36e8257641a043764c62240316610c81e36376c , < 58143c1ed5882c138a3cd2251a336fc8755f23d9 (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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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • 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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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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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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