CVE-2026-80918 Affecting kernel-livepatch-6_4_0-150700_53_90-default package, versions <1-150700.15.3.1
Threat Intelligence
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Test your applications- Snyk IDSNYK-SLES157-KERNELLIVEPATCH6401507005390DEFAULT-22231890
- published5 Nov 2026
- disclosed3 Nov 2026
Introduced: 3 Nov 2026
NewCVE-2026-80918 (opens in a new tab)How to fix?
Upgrade SLES:15.7 kernel-livepatch-6_4_0-150700_53_90-default to version 1-150700.15.3.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-6_4_0-150700_53_90-default package and not the kernel-livepatch-6_4_0-150700_53_90-default package as distributed by SLES.
See How to fix? for SLES:15.7 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
HID: core: fix number/pointer type confusion on long items
When fetch_item() is called by hid_scan_report() on an item with HID_ITEM_TAG_LONG, it stores a pointer to the item data in item->data.longdata instead of storing a value directly in item->data.{u8/u16/u32}.
When item_udata() or item_sdata() encounters such an item, it incorrectly assumes that the item is in short format, and therefore returns the lower part of a kernel pointer reinterpreted as a number.
When a HID device is connected whose descriptor contains a HID_GLOBAL_ITEM_TAG_REPORT_SIZE encoded in long format with size=4, this causes the lower half of a kernel pointer to be printed into dmesg as a number, like this:
hid (null): invalid report_size 107953555
To fix it, let item_udata() and item_sdata() verify that the item is in short format.
Note that this bug only affects hid_scan_report(), while the main parsing pass hid_parse_collections() will always bail out when encountering a long item.
Sidenote: There are currently no users of data.longdata; maybe we should just remove any parsing of long-format descriptors as a follow-up.
References
- https://www.suse.com/security/cve/CVE-2026-80918.html
- https://bugzilla.suse.com/1279971
- https://git.kernel.org/stable/c/1fa1591efd417e39e5e164bebea8ca7a3837c469
- https://git.kernel.org/stable/c/28abce951343fcec26e397610868efa4e1395c3f
- https://git.kernel.org/stable/c/634f498ea5d5e8e01f8d9414d4f45eeaf9ee1996
- https://git.kernel.org/stable/c/abec577de5fc16cd5caae42f97cdcd0983c06d66
- https://git.kernel.org/stable/c/aec2c2ec87d4ec1f098979f68cd81b29f031c8cb
- https://git.kernel.org/stable/c/bed7fe3a936b6bdd84671385951397ca673cf6e7
- https://git.kernel.org/stable/c/dd8035dec26e98204d6e4a6e0cee5c4d329b3d7e
- https://git.kernel.org/stable/c/e542edada3f79387c0ac2a528cebf01f4ef47df8
- https://git.kernel.org/stable/c/e60159f5ea60254a5c3de4ea4f2f939f0171031b