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CVE-2025-21699— gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag

EPSS 0.01% · P1
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I. Basic Information for CVE-2025-21699

Vulnerability Information
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Vulnerability Title
gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag Truncate an inode's address space when flipping the GFS2_DIF_JDATA flag: depending on that flag, the pages in the address space will either use buffer heads or iomap_folio_state structs, and we cannot mix the two.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于在翻转GFS2_DIF_JDATA标志时未截断地址空间。攻击者利用该漏洞可以导致系统崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 2164f9b9186962ffb7c687e18ec6f5255525f09d ~ 8c41abc11aa8438c9ed2d973f97e66674c0355df -
LinuxLinux 5.10 -

II. Public POCs for CVE-2025-21699

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III. Intelligence Information for CVE-2025-21699

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Same Patch Batch · Linux · 2025-02-12 · 7 CVEs total

CVE-2024-57951hrtimers: Handle CPU state correctly on hotplug
CVE-2025-21694fs/proc: fix softlockup in __read_vmcore (part 2)
CVE-2025-21695platform/x86: dell-uart-backlight: fix serdev race
CVE-2025-21696mm: clear uffd-wp PTE/PMD state on mremap()
CVE-2025-21697drm/v3d: Ensure job pointer is set to NULL after job completion
CVE-2024-57952Revert "libfs: fix infinite directory reads for offset dir"

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-21699

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