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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-80679

s390/dasd: Fix potential NULL pointer dereference

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Status
Published
Published
Updated
Assigning organization
Linux

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 91dc4a197569230683ca8bad551e655a4bf14c30 to < dbf2ae34d2f1390a9fc1abf3dce7f809e022caaeaffected
  • 91dc4a197569230683ca8bad551e655a4bf14c30 to < 3000367a512b1283ca52230bf21f8c91dfbec45baffected
  • 91dc4a197569230683ca8bad551e655a4bf14c30 to < cdc7b73d0c5a9cd6360b4f8c36eae23b02097e4caffected
  • 91dc4a197569230683ca8bad551e655a4bf14c30 to < e156c70c505c6c9adce3b7be5a82025f00544709affected
  • 91dc4a197569230683ca8bad551e655a4bf14c30 to < 3453a993a3f14c1684560ecf26585046976f6ac6affected
  • 91dc4a197569230683ca8bad551e655a4bf14c30 to < 86cdfd061509bcde84f3145f7221ba64e3e53b1faffected
  • 91dc4a197569230683ca8bad551e655a4bf14c30 to < 96b8e09b09539f252a5eeea6baebd93c2e3779bdaffected
  • 91dc4a197569230683ca8bad551e655a4bf14c30 to < 9973026f572db6b67570cadc30942f3014e41079affected

Linux Linux

Default version status: affected

  • 5.3affected
  • 0 to < 5.3unaffected
  • 5.10.265 to ≤ 5.10.*unaffected
  • 5.15.216 to ≤ 5.15.*unaffected
  • 6.1.183 to ≤ 6.1.*unaffected
  • 6.6.151 to ≤ 6.6.*unaffected
  • 6.12.103 to ≤ 6.12.*unaffected
  • 6.18.44 to ≤ 6.18.*unaffected
  • 7.1.8 to ≤ 7.1.*unaffected
  • 7.2 to ≤ *unaffected

References