CVE-2022-50034

Katalog CVE

CVSS 7.8 · High EPSS 0,19%

Kerentanan Use After Free pada linux kernel. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3 fix use-after-free at workaround 2 BUG: KFENCE: use-after-free read in __list_del_entry_valid+0x10/0xac cdns3_wa2_remove_old_request() { ... kfree(priv_req->request.buf); cdns3_gadget_ep_free_request(&priv_ep->endpoint, &priv_req->request); list_del_init(&priv_req->list); ^^^ use after free ... } cdns3_gadget_ep_free_request() free the space pointed by priv_req, but priv_req is used in the following list_del_init(). This patch move list_del_init() before cdns3_gadget_ep_free_request().

Rincian

Terbit di NVD

18 Juni 2025

Terakhir diubah

15 Agustus 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

0,19% peluang dieksploitasi; lebih tinggi dari 8,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/6d7ac60098b206d0472475b666cb09d556bec03d patch
• https://git.kernel.org/stable/c/6fd50446e7c9a98b4bcf96815f5c9602a16ea472 patch
• https://git.kernel.org/stable/c/7d602f30149a117eea260208b1661bc404c21dfd patch
• https://git.kernel.org/stable/c/c3c1dbad3a2db32ecf371c97f2058491b8ba0f9a patch
• https://git.kernel.org/stable/c/e65d9b7147d7be3504893ca7dfb85286bda83d40 patch