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CVE-2025-37740— jfs: add sanity check for agwidth in dbMount

AI Predicted 5.5 Difficulty: Moderate EPSS 0.18% · P8

Possible ATT&CK Techniques 1AI

T1211 · Exploitation for Stealth

Affected Version Matrix 20

VendorProductVersion RangeStatus
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< a065cec230aa807c18828a3eee82f1c8592c2adfaffected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 722e72f7f9c69fcb3ab7988c2471feff7a4c8de1affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< a741f29ac8b6374c9904be8b7ac7cdfcd7e7e4faaffected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< a260bf14cd347878f01f70739ba829442a474a16affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< cc0bc4cb62ce5fa0c383e3bf0765d01f46bd49acaffected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< ccd97c8a4f90810f228ee40d1055148fa146dd57affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< c8c96a9e7660e5e5eea445978fe8f2e432d91c1faffected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< e3f85edb03183fb06539e5b50dd2c4bb42b869f0affected
… +12 more rows
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I. Basic Information for CVE-2025-37740

Vulnerability Information
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Vulnerability Title
jfs: add sanity check for agwidth in dbMount
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: jfs: add sanity check for agwidth in dbMount The width in dmapctl of the AG is zero, it trigger a divide error when calculating the control page level in dbAllocAG. To avoid this issue, add a check for agwidth in dbAllocAG.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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agwidth检查缺失，可能导致除零错误。
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 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ~ a065cec230aa807c18828a3eee82f1c8592c2adf -
LinuxLinux 2.6.12 -

II. Public POCs for CVE-2025-37740

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III. Intelligence Information for CVE-2025-37740

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Patches & Fixes for CVE-2025-37740 (8)

Other References for CVE-2025-37740 (1)

Same Patch Batch · Linux · 2025-05-01 · 245 CVEs total

CVE-2025-377509.8 CRITICALsmb: client: fix UAF in decryption with multichannel
CVE-2025-377789.8 CRITICALksmbd: Fix dangling pointer in krb_authenticate
CVE-2022-497709.8 CRITICALceph: avoid putting the realm twice when decoding snaps fails
CVE-2022-499318.8 HIGHIB/hfi1: Correctly move list in sc_disable()
CVE-2025-377768.8 HIGHksmbd: fix use-after-free in smb_break_all_levII_oplock()
CVE-2025-377778.8 HIGHksmbd: fix use-after-free in __smb2_lease_break_noti()
CVE-2025-377908.8 HIGHnet: mctp: Set SOCK_RCU_FREE
CVE-2022-499108.8 HIGHBluetooth: L2CAP: Fix use-after-free caused by l2cap_reassemble_sdu
CVE-2022-498868.4 HIGHx86/tdx: Panic on bad configs that #VE on "private" memory access
CVE-2025-231598.4 HIGHmedia: venus: hfi: add a check to handle OOB in sfr region
CVE-2025-377498.2 HIGHnet: ppp: Add bound checking for skb data on ppp_sync_txmung
CVE-2025-377747.8 HIGHslab: ensure slab->obj_exts is clear in a newly allocated slab page
CVE-2025-377897.8 HIGHnet: openvswitch: fix nested key length validation in the set() action
CVE-2025-377797.8 HIGHlib/iov_iter: fix to increase non slab folio refcount
CVE-2022-499207.8 HIGHnetfilter: nf_tables: netlink notifier might race to release objects
CVE-2022-499197.8 HIGHnetfilter: nf_tables: release flow rule object from commit path
CVE-2025-377567.8 HIGHnet: tls: explicitly disallow disconnect
CVE-2025-377617.8 HIGHdrm/xe: Fix an out-of-bounds shift when invalidating TLB
CVE-2025-377637.8 HIGHdrm/imagination: take paired job reference
CVE-2022-498047.8 HIGHs390: avoid using global register for current_stack_pointer

Showing top 20 of 245 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-37740

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