CVE-2026-93122 Affecting kernel-default-livepatch-devel package, versions <6.4.0-150700.53.90.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-SLES157-KERNELDEFAULTLIVEPATCHDEVEL-22239121
- published5 Nov 2026
- disclosed3 Nov 2026
Introduced: 3 Nov 2026
NewCVE-2026-93122 (opens in a new tab)How to fix?
Upgrade SLES:15.7 kernel-default-livepatch-devel to version 6.4.0-150700.53.90.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-default-livepatch-devel package and not the kernel-default-livepatch-devel package as distributed by SLES.
See How to fix? for SLES:15.7 relevant fixed versions and status.
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.
References
- https://www.suse.com/security/cve/CVE-2026-93122.html
- https://bugzilla.suse.com/1281315
- https://git.kernel.org/stable/c/3819c6f255a37c4d085ce9f264f9f11bf3c2c6bb
- https://git.kernel.org/stable/c/844d83d5964b87919b958ff48405188c6ddae9cc
- https://git.kernel.org/stable/c/0203146ad450932c2d3132e367a99c49efe3122d
- https://git.kernel.org/stable/c/0c2710a36b41bf8defba83c395b99eb1660e9e9a
- https://git.kernel.org/stable/c/72888d54bae3677ecd4ba9793b7fd27ba0b27862
- https://git.kernel.org/stable/c/30b3b3494000aa01fc8f08bf07ed503c9fde4895