CVE-2022-50481
cxl: fix possible null-ptr-deref in cxl_guest_init_afu|adapter()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: cxl: fix possible null-ptr-deref in cxl_guest_init_afu|adapter() If device_register() fails in cxl_register_afu|adapter(), the device is not added, device_unregister() can not be called in the error path, otherwise it will cause a null-ptr-deref because of removing not added device. As comment of device_register() says, it should use put_device() to give up the reference in the error path. So split device_unregister() into device_del() and put_device(), then goes to put dev when register fails.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 4, 2025 |
| Last Updated | May 11, 2026 |
Stay Ahead of the Next One
Get instant alerts for linux linux
Be the first to know when new unknown vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Linux / Linux
14baf4d9c739e6e69150512d2eb23c71fffcc192 < 96fba6fb95bdede80583c262ac185da09661f264 14baf4d9c739e6e69150512d2eb23c71fffcc192 < 1ae581696b7a799afa39a664c4b721569643f58a 14baf4d9c739e6e69150512d2eb23c71fffcc192 < d775a1da5a52b4f4bb02f2707ba420d1bec48dbb 14baf4d9c739e6e69150512d2eb23c71fffcc192 < 60b2ed21a65f3f5318666ccd765c3507991370cf 14baf4d9c739e6e69150512d2eb23c71fffcc192 < 170e8c2d2b61e15e7f7cfeded81bc1e959a15ed8 14baf4d9c739e6e69150512d2eb23c71fffcc192 < e5021bbf11b024cc65ea1e84c377df484183be4b 14baf4d9c739e6e69150512d2eb23c71fffcc192 < b32559ee4e6667c5c3daf4ec5454c277d1f255d2 14baf4d9c739e6e69150512d2eb23c71fffcc192 < ab44c182353be101c3be9465e1d15d42130c53c4 14baf4d9c739e6e69150512d2eb23c71fffcc192 < 61c80d1c3833e196256fb060382db94f24d3d9a7
Linux / Linux
4.6
References
git.kernel.org: https://git.kernel.org/stable/c/96fba6fb95bdede80583c262ac185da09661f264 git.kernel.org: https://git.kernel.org/stable/c/1ae581696b7a799afa39a664c4b721569643f58a git.kernel.org: https://git.kernel.org/stable/c/d775a1da5a52b4f4bb02f2707ba420d1bec48dbb git.kernel.org: https://git.kernel.org/stable/c/60b2ed21a65f3f5318666ccd765c3507991370cf git.kernel.org: https://git.kernel.org/stable/c/170e8c2d2b61e15e7f7cfeded81bc1e959a15ed8 git.kernel.org: https://git.kernel.org/stable/c/e5021bbf11b024cc65ea1e84c377df484183be4b git.kernel.org: https://git.kernel.org/stable/c/b32559ee4e6667c5c3daf4ec5454c277d1f255d2 git.kernel.org: https://git.kernel.org/stable/c/ab44c182353be101c3be9465e1d15d42130c53c4 git.kernel.org: https://git.kernel.org/stable/c/61c80d1c3833e196256fb060382db94f24d3d9a7