HID: picolcd: prevent NULL pointer dereference in picolcd_send_and_wait()
Summary
| CVE | CVE-2026-80605 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-28 08:16:44 UTC |
| Updated | 2026-08-28 08:16:44 UTC |
| Description | 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] |
Risk And Classification
EPSS: 0.001760000 probability, percentile 0.072580000 (date 2026-08-30)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 42dc0b7b55fe0499fc09183f34a1c46d1dcccf77 git | Not specified |
| CNA | Linux | Linux | affected fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 48caee2c106b03301c72fe389ebff00d852c58d5 git | Not specified |
| CNA | Linux | Linux | affected fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 dc176447c7279435c46735db7da81aed1ec25cc2 git | Not specified |
| CNA | Linux | Linux | affected fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 a02d5d7ad7ae5fa3756b8332f7350e973085dcb3 git | Not specified |
| CNA | Linux | Linux | affected fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 e4edeefb8d5bfceb2058e2b3291f4ae1e5a76e61 git | Not specified |
| CNA | Linux | Linux | affected fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 d354e523c6f740db758cafcd4c11bb7913285ed8 git | Not specified |
| CNA | Linux | Linux | affected fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 ef649703dce0df1364fcec3cdad9b32d1c522939 git | Not specified |
| CNA | Linux | Linux | affected fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 0021eb09041f021c079be1022934a280f7f176c0 git | Not specified |
| CNA | Linux | Linux | affected 3.7 | Not specified |
| CNA | Linux | Linux | unaffected 3.7 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.261 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.212 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.178 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.145 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.97 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.40 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1.5 7.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/a02d5d7ad7ae5fa3756b8332f7350e973085dcb3 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/42dc0b7b55fe0499fc09183f34a1c46d1dcccf77 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/e4edeefb8d5bfceb2058e2b3291f4ae1e5a76e61 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/0021eb09041f021c079be1022934a280f7f176c0 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/48caee2c106b03301c72fe389ebff00d852c58d5 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/ef649703dce0df1364fcec3cdad9b32d1c522939 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/dc176447c7279435c46735db7da81aed1ec25cc2 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/d354e523c6f740db758cafcd4c11bb7913285ed8 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.