CVE-2026-98046bpf: Mark bpf_btf_find_by_name_kind() as sleepable
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: bpf: Mark bpf_btf_find_by_name_kind() as sleepable When bpf_btf_find_by_name_kind() finds a type in module BTF, it returns a new BTF object fd through __btf_new_fd(). This reaches anon_inode_getfd(), which can sleep while allocating or expanding the current task fd table. The helper prototype does not set might_sleep, so the verifier allows the helper in non-sleepable contexts such as BPF timer callbacks. The fd allocation can then sleep in softirq context and install the fd into the interrupted task. Mark the helper as sleepable. This preserves calls from the main body of a sleepable syscall program while rejecting calls from its non-sleepable regions.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 3d78417b60fba249cc555468cb72d96f5cde2964 before 7bf23cf7c9c0e0b5e638e497cdc0ec3f223742cc; from 3d78417b60fba249cc555468cb72d96f5cde2964 before b843ab43ac9d2fa1ddd0dab8d0dcc19dbf764e2f; from 3d78417b60fba249cc555468cb72d96f5cde2964 before 29e40175617216fbd4544529f6bfb51d1ab95ba1; from 3d78417b60fba249cc555468cb72d96f5cde2964 before 4d8784226bd3c6a707975081f986078f40456cec; from 3d78417b60fba249cc555468cb72d96f5cde2964 before 17f54a8f2b9714529d56edbbe12d448ccdbbf469; from 3d78417b60fba249cc555468cb72d96f5cde2964 before 620614bf7672130c43b3cff375525a2202f61979 | CNA record |
References
- https://git.kernel.org/stable/c/7bf23cf7c9c0e0b5e638e497cdc0ec3f223742cc
- https://git.kernel.org/stable/c/b843ab43ac9d2fa1ddd0dab8d0dcc19dbf764e2f
- https://git.kernel.org/stable/c/29e40175617216fbd4544529f6bfb51d1ab95ba1
- https://git.kernel.org/stable/c/4d8784226bd3c6a707975081f986078f40456cec
- https://git.kernel.org/stable/c/17f54a8f2b9714529d56edbbe12d448ccdbbf469
- https://git.kernel.org/stable/c/620614bf7672130c43b3cff375525a2202f61979
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.