Answer in brief
CVE-2026-93122 records a High severity (CVSS 7.8) vulnerability in usb: gadget: uac: validate rate list length before storing. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Linux/Linux (generic), Linux/Linux (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic), Linux/Linux (generic), Linux/Linux (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <3819c6f255a37c4d085ce9f264f9f11bf3c2c6bb || >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <844d83d5964b87919b958ff48405188c6ddae9cc | 3819c6f255a37c4d085ce9f264f9f11bf3c2c6bb, 844d83d5964b87919b958ff48405188c6ddae9cc |
| Linux/Linuxgeneric | 5.18 | Not reported |
| Linux/Linuxgeneric | >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <0203146ad450932c2d3132e367a99c49efe3122d || >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <3819c6f255a37c4d085ce9f264f9f11bf3c2c6bb || >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <844d83d5964b87919b958ff48405188c6ddae9cc | 0203146ad450932c2d3132e367a99c49efe3122d, 3819c6f255a37c4d085ce9f264f9f11bf3c2c6bb, 844d83d5964b87919b958ff48405188c6ddae9cc |
| Linux/Linuxgeneric | >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <72888d54bae3677ecd4ba9793b7fd27ba0b27862 || >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <0c2710a36b41bf8defba83c395b99eb1660e9e9a || >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <0203146ad450932c2d3132e367a99c49efe3122d || >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <3819c6f255a37c4d085ce9f264f9f11bf3c2c6bb || >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <844d83d5964b87919b958ff48405188c6ddae9cc | 72888d54bae3677ecd4ba9793b7fd27ba0b27862, 0c2710a36b41bf8defba83c395b99eb1660e9e9a, 0203146ad450932c2d3132e367a99c49efe3122d, 3819c6f255a37c4d085ce9f264f9f11bf3c2c6bb, 844d83d5964b87919b958ff48405188c6ddae9cc |
| Linux/Linuxgeneric | >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <30b3b3494000aa01fc8f08bf07ed503c9fde4895 || >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <72888d54bae3677ecd4ba9793b7fd27ba0b27862 || >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <0c2710a36b41bf8defba83c395b99eb1660e9e9a || >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <0203146ad450932c2d3132e367a99c49efe3122d || >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <3819c6f255a37c4d085ce9f264f9f11bf3c2c6bb || >=a7339e4f5788bd088bb0be1f96a6cce459676ed0 <844d83d5964b87919b958ff48405188c6ddae9cc | 30b3b3494000aa01fc8f08bf07ed503c9fde4895, 72888d54bae3677ecd4ba9793b7fd27ba0b27862, 0c2710a36b41bf8defba83c395b99eb1660e9e9a, 0203146ad450932c2d3132e367a99c49efe3122d, 3819c6f255a37c4d085ce9f264f9f11bf3c2c6bb, 844d83d5964b87919b958ff48405188c6ddae9cc |
Published upstream
Sep 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 17, 2026
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uac: validate rate list length before storing UAC1 and UAC2 configfs rate-list attributes parse a comma-separated list of sampling rates and store each parsed value in fixed-size arrays. The arrays have UAC_MAX_RATES entries, but the store paths do not check that the input contains at most that many tokens before writing through opts->name##s[i++]. Writing more than ten rates therefore writes past the end of the p_srates[] or c_srates[] array in struct f_uac1_opts or struct f_uac2_opts. With CONFIG_UBSAN_BOUNDS enabled, writing an 11-entry rate list to the UAC1 p_srate attribute reports: UBSAN: array-index-out-of-bounds drivers/usb/gadget/function/f_uac1.c:1669:1 index 10 is out of range for type 'int [10]' __ubsan_handle_out_of_bounds.cold f_uac1_opts_p_srate_store configfs_write_iter vfs_write ksys_write do_syscall_64 The same reproducer against the UAC2 p_srate attribute reports: UBSAN: array-index-out-of-bounds drivers/usb/gadget/function/f_uac2.c:2087:1 index 10 is out of range for type 'int [10]' __ubsan_handle_out_of_bounds.cold f_uac2_opts_p_srate_store configfs_write_iter vfs_write ksys_write do_syscall_64 Reject additional tokens once UAC_MAX_RATES entries have been parsed. Also keep the original kstrdup() pointer for kfree(), because strsep() advances the parsing cursor. Freeing the advanced cursor leaks the original buffer on successful parses and can free an interior pointer on some error paths.
Quoted source text, attributed separately from HOL analysis.