Search/CVE-2021-47599
● CVE — Medium

CVE-2021-47599

VendorlinuxProductlinux kernelDiscoveredJun 19, 2024UpdatedNov 21, 2024

In the Linux kernel, the following vulnerability has been resolved: btrfs: use latest_dev in btrfs_show_devname The test case btrfs/238 reports the warning below: WARNING: CPU: 3 PID: 481 at fs/btrfs/super.c:2509 btrfs_show_devname+0x104/0x1e8 [btrfs] CPU: 2 PID: 1 Comm: systemd Tainted: G W O 5.14.0-rc1-custom #72 Hardware name: QEMU QEMU Virtual Machine, BIOS 0.0.0 02/06/2015 Call trace: btrfs_show_devname+0x108/0x1b4 [btrfs] show_mountinfo+0x234/0x2c4 m_show+0x28/0x34 seq_read_iter+0x12c/0x3c4 vfs_read+0x29c/0x2c8 ksys_read+0x80/0xec __arm64_sys_read+0x28/0x34 invoke_syscall+0x50/0xf8 do_el0_svc+0x88/0x138 el0_svc+0x2c/0x8c el0t_64_sync_handler+0x84/0xe4 el0t_64_sync+0x198/0x19c Reason: While btrfs_prepare_sprout() moves the fs_devices::devices into fs_devices::seed_list, the…

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CVSS v3.1
4.7 MEDIUM
EPSS
0.15%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
19
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 27, 2026
● 0.00pp
0.15% → 0.15% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityHIGH
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Connections
21 relationships
Timeline
disclosure → media coverage
Jun 19, 2024
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024
Mar 4, 2026
ubuntu.com reports: USN-8070-1: Linux kernel vulnerabilities
Mar 4, 2026
ubuntu.com reports: USN-8070-2: Linux kernel vulnerabilities
Mar 4, 2026
ubuntu.com reports: USN-8070-3: Linux kernel (FIPS) vulnerabilities
Mar 16, 2026
ubuntu.com reports: USN-8098-1: Linux kernel vulnerabilities
Mar 17, 2026
ubuntu.com reports: USN-8098-2: Linux kernel (GCP) vulnerabilities
Mar 18, 2026
ubuntu.com reports: USN-8098-3: Linux kernel vulnerabilities
Mar 18, 2026
ubuntu.com reports: USN-8107-1: Linux kernel (AWS FIPS) vulnerabilities
Mar 20, 2026
ubuntu.com reports: USN-8112-1: Linux kernel vulnerabilities
Mar 20, 2026
ubuntu.com reports: USN-8112-2: Linux kernel (FIPS) vulnerabilities
Mar 24, 2026
ubuntu.com reports: USN-8098-4: Linux kernel vulnerabilities
Mar 24, 2026
ubuntu.com reports: USN-8112-3: Linux kernel (Azure) vulnerabilities
Mar 24, 2026
ubuntu.com reports: USN-8112-4: Linux kernel (Azure FIPS) vulnerabilities
Mar 24, 2026
ubuntu.com reports: USN-8112-5: Linux kernel (Azure) vulnerabilities
Mar 24, 2026
ubuntu.com reports: USN-8098-5: Linux kernel vulnerabilities
Mar 24, 2026
ubuntu.com reports: USN-8098-6: Linux kernel (FIPS) vulnerabilities
Mar 25, 2026
ubuntu.com reports: USN-8098-7: Linux kernel (Azure) vulnerabilities
Mar 25, 2026
ubuntu.com reports: USN-8098-8: Linux kernel (Azure FIPS) vulnerabilities
Mar 27, 2026
ubuntu.com reports: USN-8098-9: Linux kernel (IBM) vulnerabilities
Apr 29, 2026
ubuntu.com reports: USN-8224-1: Linux kernel (BlueField) vulnerabilities