CVE-2021-47358

תיאור (מקור, אנגלית)

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: uart: fix tty use after free User space can hold a tty open indefinitely and tty drivers must not release the underlying structures until the last user is gone. Switch to using the tty-port reference counter to manage the life time of the greybus tty state to avoid use after free after a disconnect.

מדדים

CVSS 3.1

7.8 (HIGH) מקור הציון: NVD CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-6/8/2026

CWE

CWE-416

מוצרים מושפעים

linux: linux kernel

קישורים

• https://git.kernel.org/stable/c/4dc56951a8d9d61d364d346c61a5f1d70b4f5e14 Patch
• https://git.kernel.org/stable/c/64062fcaca8872f063ec9da011e7bf30470be33f Patch
• https://git.kernel.org/stable/c/92b67aaafb7c449db9f0c3dcabc0ff967cb3a42d Patch
• https://git.kernel.org/stable/c/92dc0b1f46e12cfabd28d709bb34f7a39431b44f Patch
• https://git.kernel.org/stable/c/9872ff6fdce8b229f01993b611b5d1719cb70ff1 Patch
• https://git.kernel.org/stable/c/a5cfd51f6348e8fd7531461366946039c29c7e69 Patch
• https://git.kernel.org/stable/c/b9e697e60ce9890e9258a73eb061288e7d68e5e6 Patch
• https://git.kernel.org/stable/c/4dc56951a8d9d61d364d346c61a5f1d70b4f5e14 Patch
• https://git.kernel.org/stable/c/64062fcaca8872f063ec9da011e7bf30470be33f Patch
• https://git.kernel.org/stable/c/92b67aaafb7c449db9f0c3dcabc0ff967cb3a42d Patch