CVE-2022-49870

Katalog CVE

CVSS 7.1 · High EPSS 0,22%

Kerentanan Out-of-bounds Read pada linux kernel. Skor CVSS 3.1 7.1 (High) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: capabilities: fix undefined behavior in bit shift for CAP_TO_MASK Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds in security/commoncap.c:1252:2 left shift of 1 by 31 places cannot be represented in type 'int' Call Trace: <TASK> dump_stack_lvl+0x7d/0xa5 dump_stack+0x15/0x1b ubsan_epilogue+0xe/0x4e __ubsan_handle_shift_out_of_bounds+0x1e7/0x20c cap_task_prctl+0x561/0x6f0 security_task_prctl+0x5a/0xb0 __x64_sys_prctl+0x61/0x8f0 do_syscall_64+0x58/0x80 entry_SYSCALL_64_after_hwframe+0x63/0xcd </TASK>

Rincian

Terbit di NVD

1 Mei 2025

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

7.1 (High), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read

EPSS (30 hari)

0,22% peluang dieksploitasi; lebih tinggi dari 11,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/151dc8087b5609e53b069c068e3f3ee100efa586 patch
• https://git.kernel.org/stable/c/27bdb134c043ff32c459d98f16550d0ffa0b3c34 patch
• https://git.kernel.org/stable/c/46653972e3ea64f79e7f8ae3aa41a4d3fdb70a13 patch
• https://git.kernel.org/stable/c/5661f111a1616ac105ec8cec81bff99b60f847ac patch
• https://git.kernel.org/stable/c/5b79fa628e2ab789e629a83cd211ef9b4c1a593e patch
• https://git.kernel.org/stable/c/65b0bc7a0690861812ade523d19f82688ab819dc patch
• https://git.kernel.org/stable/c/dbaab08c8677d598244d21afb7818e44e1c5d826 patch
• https://git.kernel.org/stable/c/fcbd2b336834bd24e1d9454ad5737856470c10d7 patch