Answer in brief
CVE-2022-50282 records a Medium severity (CVSS 5.5) vulnerability in chardev: fix error handling in cdev_device_add(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). 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 5.5. 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). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=da97a80a657d1b1b50ef633e8ff5dbf0d417fc8d <5d2146889fad4cb9e6c13e790d4cfd871486eca8 || >=233ed09d7fdacf592ee91e6c97ce5f4364fbe7c0 <6acf8597c5b04f455ee0649e11e5f3bcd28f381e || >=233ed09d7fdacf592ee91e6c97ce5f4364fbe7c0 <34d17b39bceef25e4cf9805cd59250ae05d0a139 || >=233ed09d7fdacf592ee91e6c97ce5f4364fbe7c0 <d85b5247a79355b8432bfd9ac871f96117f750d4 || >=233ed09d7fdacf592ee91e6c97ce5f4364fbe7c0 <c46db6088bccff5115674d583fef46ede80077a2 || >=233ed09d7fdacf592ee91e6c97ce5f4364fbe7c0 <28dc61cc49c6e995121c6d86bef4b73df78dda80 || >=233ed09d7fdacf592ee91e6c97ce5f4364fbe7c0 <b5de1eac71fec1af7723f1083d23a24789fd795c || >=233ed09d7fdacf592ee91e6c97ce5f4364fbe7c0 <85a5660491b507d33662b8e81c142e6041e642eb || >=233ed09d7fdacf592ee91e6c97ce5f4364fbe7c0 <11fa7fefe3d8fac7da56bc9aa3dd5fb3081ca797 || f78b54e7d83c7879f9a6e49e6724019ca34177cc || d79d7d5c878809964da537336dad5ff55fa1605e || >=4.9.224 <4.9.337 || >=3.16.83 <3.17 || >=4.4.224 <4.5 | 5d2146889fad4cb9e6c13e790d4cfd871486eca8, 6acf8597c5b04f455ee0649e11e5f3bcd28f381e, 34d17b39bceef25e4cf9805cd59250ae05d0a139, d85b5247a79355b8432bfd9ac871f96117f750d4, c46db6088bccff5115674d583fef46ede80077a2, 28dc61cc49c6e995121c6d86bef4b73df78dda80, b5de1eac71fec1af7723f1083d23a24789fd795c, 85a5660491b507d33662b8e81c142e6041e642eb, 11fa7fefe3d8fac7da56bc9aa3dd5fb3081ca797, 4.9.337, 3.17, 4.5 |
| Linux/Linuxgeneric | 4.12 | Not reported |
Published upstream
Sep 15, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 5, 2026
In the Linux kernel, the following vulnerability has been resolved: chardev: fix error handling in cdev_device_add() While doing fault injection test, I got the following report: ------------[ cut here ]------------ kobject: '(null)' (0000000039956980): is not initialized, yet kobject_put() is being called. WARNING: CPU: 3 PID: 6306 at kobject_put+0x23d/0x4e0 CPU: 3 PID: 6306 Comm: 283 Tainted: G W 6.1.0-rc2-00005-g307c1086d7c9 #1253 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 RIP: 0010:kobject_put+0x23d/0x4e0 Call Trace: <TASK> cdev_device_add+0x15e/0x1b0 __iio_device_register+0x13b4/0x1af0 [industrialio] __devm_iio_device_register+0x22/0x90 [industrialio] max517_probe+0x3d8/0x6b4 [max517] i2c_device_probe+0xa81/0xc00 When device_add() is injected fault and returns error, if dev->devt is not set, cdev_add() is not called, cdev_del() is not needed. Fix this by checking dev->devt in error path.
Quoted source text, attributed separately from HOL analysis.