CVE - CVE-2022-49031

CVE-ID
CVE-2022-49031	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/06c6ce21cec77dfa860d57e7a006000a57812efb URL:https://git.kernel.org/stable/c/06c6ce21cec77dfa860d57e7a006000a57812efb MISC:https://git.kernel.org/stable/c/2d6a437064ffbe685c67ddb16dfc0946074c6c3f URL:https://git.kernel.org/stable/c/2d6a437064ffbe685c67ddb16dfc0946074c6c3f MISC:https://git.kernel.org/stable/c/58143c1ed5882c138a3cd2251a336fc8755f23d9 URL:https://git.kernel.org/stable/c/58143c1ed5882c138a3cd2251a336fc8755f23d9 MISC:https://git.kernel.org/stable/c/726fa3e4ab97dcff1c745bdc4fb137366cb8d3df URL:https://git.kernel.org/stable/c/726fa3e4ab97dcff1c745bdc4fb137366cb8d3df MISC:https://git.kernel.org/stable/c/98afcb5f3be645d330c74c5194ba0d80e26f95e0 URL:https://git.kernel.org/stable/c/98afcb5f3be645d330c74c5194ba0d80e26f95e0 MISC:https://git.kernel.org/stable/c/b1756af172fb80a3edc143772d49e166ec691b6c URL:https://git.kernel.org/stable/c/b1756af172fb80a3edc143772d49e166ec691b6c MISC:https://git.kernel.org/stable/c/c9268df36818ee4eaaaeadc80009b442a5ca69c9 URL:https://git.kernel.org/stable/c/c9268df36818ee4eaaaeadc80009b442a5ca69c9 MISC:https://git.kernel.org/stable/c/e7e76a77aabef8989cbc0a8417af1aa040620867 URL:https://git.kernel.org/stable/c/e7e76a77aabef8989cbc0a8417af1aa040620867
Assigning CNA
kernel.org
Date Record Created
20240822	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240822)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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