CVE-2026-80679
s390/dasd: Fix potential NULL pointer dereference
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Fix potential NULL pointer dereference dasd_release_space() checks the implementation of the is_ese() discipline function before calling it to determine if a given device is an ESE DASD. The current usage of the logical AND operator will lead to a NULL pointer dereference as the function is called even if the function pointer is NULL. Fix this by using the logical OR operator.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 28, 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
91dc4a197569230683ca8bad551e655a4bf14c30 < dbf2ae34d2f1390a9fc1abf3dce7f809e022caae 91dc4a197569230683ca8bad551e655a4bf14c30 < 3000367a512b1283ca52230bf21f8c91dfbec45b 91dc4a197569230683ca8bad551e655a4bf14c30 < cdc7b73d0c5a9cd6360b4f8c36eae23b02097e4c 91dc4a197569230683ca8bad551e655a4bf14c30 < e156c70c505c6c9adce3b7be5a82025f00544709 91dc4a197569230683ca8bad551e655a4bf14c30 < 3453a993a3f14c1684560ecf26585046976f6ac6 91dc4a197569230683ca8bad551e655a4bf14c30 < 86cdfd061509bcde84f3145f7221ba64e3e53b1f 91dc4a197569230683ca8bad551e655a4bf14c30 < 96b8e09b09539f252a5eeea6baebd93c2e3779bd 91dc4a197569230683ca8bad551e655a4bf14c30 < 9973026f572db6b67570cadc30942f3014e41079
Linux / Linux
5.3
References
git.kernel.org: https://git.kernel.org/stable/c/dbf2ae34d2f1390a9fc1abf3dce7f809e022caae git.kernel.org: https://git.kernel.org/stable/c/3000367a512b1283ca52230bf21f8c91dfbec45b git.kernel.org: https://git.kernel.org/stable/c/cdc7b73d0c5a9cd6360b4f8c36eae23b02097e4c git.kernel.org: https://git.kernel.org/stable/c/e156c70c505c6c9adce3b7be5a82025f00544709 git.kernel.org: https://git.kernel.org/stable/c/3453a993a3f14c1684560ecf26585046976f6ac6 git.kernel.org: https://git.kernel.org/stable/c/86cdfd061509bcde84f3145f7221ba64e3e53b1f git.kernel.org: https://git.kernel.org/stable/c/96b8e09b09539f252a5eeea6baebd93c2e3779bd git.kernel.org: https://git.kernel.org/stable/c/9973026f572db6b67570cadc30942f3014e41079