Published: 10/03/2022 Updated: 09/11/2023

CVSS v2 Base Score: 3.6 | Impact Score: 4.9 | Exploitability Score: 3.9

CVSS v3 Base Score: 7.1 | Impact Score: 5.2 | Exploitability Score: 1.8

VMScore: 320

Vector: AV:L/AC:L/Au:N/C:P/I:N/A:P

A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw allows a local malicious user to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability.

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Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks CVE-2020-3702 A flaw was found in the driver for Atheros IEEE 80211n family of chipsets (ath9k) allowing information disclosure CVE-2020-16119 Hadar Manor reported a use-after-free in the D ...

A flaw was found in the Linux kernel's implementation of wireless drivers using the Atheros chipsets An attacker within wireless range could send crafted traffic leading to information disclosure (CVE-2020-3702) A flaw was found in the KVM's AMD code for supporting SVM nested virtualization The flaw occurs when processing the VMCB (virtual mach ...

A null pointer dereference bug was discovered in btrfs_rm_device function in fs/btrfs/volumesc in Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’ ...

oss-sec mailing list archives   By Date By Thread </form>    Re: Linux kernel: fs/btrfs: null-ptr-dereference bug in btrfs_rm_device in fs/btrfs/volumesc  <!-- ...

CWE-476 https://ubuntu.com/security/CVE-2021-3739 https://www.openwall.com/lists/oss-security/2021/08/25/3 https://bugzilla.redhat.com/show_bug.cgi?id=1997958 https://github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091 https://security.netapp.com/advisory/ntap-20220407-0006/https://nvd.nist.gov https://www.debian.org/security/2021/dsa-4978

CVE-2021-3739

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