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CVE-2021-3739

CVE-2021-3739

EPSS 0.6%CWE-476
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 attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability.
Produtos afetados
n/a · kernel

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Referências
https://bugzilla.redhat.com/show_bug.cgi?id=1997958https://github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091https://security.netapp.com/advisory/ntap-20220407-0006/https://ubuntu.com/security/CVE-2021-3739https://www.openwall.com/lists/oss-security/2021/08/25/3