CVE-2021-47307CWE-476

CVE-2021-47307

High · published May 21, 2024

CVSS v3.1
7.5
EPSS
1%
Percentile
52.2
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

cifs: prevent NULL deref in cifs_compose_mount_options()

The optional @ref parameter might contain an NULL node_name, so

prevent dereferencing it in cifs_compose_mount_options().

Addresses-Coverity: 1476408 ("Explicit null dereferenced")

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00690 · 52.2th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2024-05-21T19:15Z
Affected products (3)
ProductVersionsFixed in
linux/linux_kernel< 5.4.1355.4.135
linux/linux_kernel≥ 5.5, < 5.10.535.10.53
linux/linux_kernel≥ 5.11, < 5.13.55.13.5
References (8)
https://git.kernel.org/stable/c/03313d1c3a2f086bb60920607ab79ac8f8578306 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ae3d181f4e912f51af7776ea165f199b16fc165d · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e58c162789becede894d3e94c0ce6695a2ef5796 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f7d1fa65e74263d11f90ddd33b4d4cd905a93759 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/03313d1c3a2f086bb60920607ab79ac8f8578306 · af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ae3d181f4e912f51af7776ea165f199b16fc165d · af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e58c162789becede894d3e94c0ce6695a2ef5796 · af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f7d1fa65e74263d11f90ddd33b4d4cd905a93759 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 21 MAY 14:35Z
    cifs: prevent NULL deref in cifs_compose_mount_options()
    cvelistv5