CVE-2026-80605None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: HID: picolcd: prevent NULL pointer dereference in picolcd_send_and_wait() In picolcd_send_and_wait(), an integer overflow of the signed loop counter 'k' can theoretica…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
HID: picolcd: prevent NULL pointer dereference in picolcd_send_and_wait()
In picolcd_send_and_wait(), an integer overflow of the signed loop counter 'k' can theoretically lead to a NULL pointer dereference of 'raw_data'. If the loop executes more than INT_MAX times, 'k' becomes negative, making the condition 'k < size' true even when 'size' is 0.
Change the type of 'k' to 'unsigned int' to prevent the overflow and eliminate the out-of-bounds access.
Found by Linux Verification Center (linuxtesting.org) with the Svace static analysis tool.
[[email protected]: extended hash length]
Linux >= fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 < 42dc0b7b55fe0499fc09183f34a1c46d1dcccf77Linux >= fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 < 48caee2c106b03301c72fe389ebff00d852c58d5Linux >= fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 < dc176447c7279435c46735db7da81aed1ec25cc2Linux >= fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 < a02d5d7ad7ae5fa3756b8332f7350e973085dcb3Linux >= fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 < e4edeefb8d5bfceb2058e2b3291f4ae1e5a76e61Linux >= fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 < d354e523c6f740db758cafcd4c11bb7913285ed8Linux >= fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 < ef649703dce0df1364fcec3cdad9b32d1c522939Linux >= fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 < 0021eb09041f021c079be1022934a280f7f176c0Linux 3.7Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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