csirt@kutim:~/threat-intel/cve/CVE-2026-52954

Katalog CVE

CVSS 7.5 · High EPSS 0,72%

Kerentanan Reachable Assertion pada linux kernel. Skor CVSS 3.1 7.5 (High) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: libceph: handle rbtree insertion error in decode_choose_args() A message of type CEPH_MSG_OSD_MAP contains an OSD map that itself contains a CRUSH map. The received CRUSH map may optionally contain choose_args that get decoded in decode_choose_args(). In this function, num_choose_arg_maps is read from the message, and a corresponding number of crush_choose_arg_maps gets decoded afterwards. Each crush_choose_arg_map has a choose_args_index, which serves as the key when inserting it into the choose_args rbtree of the decoded crush_map. If a (potentially corrupted) message contains two crush_choose_arg_maps with the same index, the assertion in insert_choose_arg_map() triggers a kernel BUG when trying to insert the second crush_choose_arg_map. This patch fixes the issue by switching to the non-asserting rbtree insertion function and rejecting the message if the insertion fails. [ idryomov: changelog ]

Rincian

Terbit di NVD
24 Juni 2026
Terakhir diubah
14 Juli 2026
Status NVD
Analyzed
CVSS 3.1
7.5 (High), sumber CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-617: Reachable Assertion
EPSS (30 hari)
0,72% peluang dieksploitasi; lebih tinggi dari 52,5% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
linux linux kernel Versi 4.13 hingga sebelum 5.10.258
linux linux kernel Versi 5.11 hingga sebelum 5.15.209
linux linux kernel Versi 5.16 hingga sebelum 6.1.175
linux linux kernel Versi 6.2 hingga sebelum 6.6.141
linux linux kernel Versi 6.7 hingga sebelum 6.12.91
linux linux kernel Versi 6.13 hingga sebelum 6.18.33
linux linux kernel Versi 6.19 hingga sebelum 7.0.10
linux linux kernel Versi 7.1 rc1
linux linux kernel Versi 7.1 rc2
linux linux kernel Versi 7.1 rc3

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.