תיאור (מקור, אנגלית)
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.
מוצרים מושפעים
linux: linux kernel; fedoraproject: fedora; netapp: h300s firmware; netapp: h300s; netapp: h500s firmware; netapp: h500s; netapp: h700s firmware; netapp: h700s; netapp: h300e firmware; netapp: h300e; netapp: h500e firmware; netapp: h500e; netapp: h700e firmware; netapp: h700e; netapp: h410s firmware
קישורים10
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/com… Mailing ListPatchVendor Advisory
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/com… Mailing ListPatchVendor Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1997958 Issue TrackingPatchThird Party Advisory
- github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd… ExploitPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2021/08/25/3 Mailing ListPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1997958 Issue TrackingPatchThird Party Advisory
- github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd… ExploitPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2021/08/25/3 Mailing ListPatchThird Party Advisory
- security.netapp.com/advisory/ntap-20220407-0006/ Third Party Advisory
- ubuntu.com/security/CVE-2021-3739 Third Party Advisory
מדדים
- CVSS 3.1
-
7.1
HIGH
מקור הציון: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H - EPSS — סבירות ניצול
- 1% אחוזון 50 · נכון ל-4 בנובמבר 2026
- CWE
- CWE-476
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