CVE-2026-89457Medium· 5.5▾ SunlitA flaw was found in the s390/dasd component of the Linux kernel. An unprivileged local user can trigger a null pointer dereference by reading specific world-readable sysfs attributes while the device is being brought online. This can lead …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
— → 4.7
none → medium
Last analysed / modified upstream
0.2% → 0.2%
— → 5.5
none → medium
A flaw was found in the s390/dasd component of the Linux kernel. An unprivileged local user can trigger a null pointer dereference by reading specific world-readable sysfs attributes while the device is being brought online. This can lead to a kernel panic, resulting in a denial of service.
kernel: s390/dasd: Guard sysfs discipline callbacks against unallocated private data — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-09-14.
Affected:
No fix planned:
Not affected:
Fix deferred
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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CVE-2026-89442Medium· 5.5kernel: platform/x86: ISST: Validate socket ID in clos_assoc ioctl (CVE-2026-89442)
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CVE-2026-89511Medium· 5.5kernel: qede: Fix NULL pointer dereference in TPA fragment processing (CVE-2026-89511)