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CVE-2025-37773— virtiofs: add filesystem context source name check

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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virtiofs中文件系统上下文源名称检查不足。

AI Predicted 5.0 Difficulty: Moderate EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux a62a8ef9d97da23762a588592c8b8eb50a8deb6a< b84f13fdad10a543e2e65bab7e81b3f0bceabd67 affected
a62a8ef9d97da23762a588592c8b8eb50a8deb6a< 9d6dcf18a1b49990295ac8a05fd9bdfd27ccbf88 affected
a62a8ef9d97da23762a588592c8b8eb50a8deb6a< 5ee09cdaf3414f6c92960714af46d3d90eede2f3 affected
a62a8ef9d97da23762a588592c8b8eb50a8deb6a< 599d1e2a6aecc44acf22fe7ea6f5e84a7e526abe affected
a62a8ef9d97da23762a588592c8b8eb50a8deb6a< f6ec52710dc5e156b774cbef5d0f5c99b1c53a80 affected
a62a8ef9d97da23762a588592c8b8eb50a8deb6a< c3e31d613951c299487844c4d1686a933e8ee291 affected
a62a8ef9d97da23762a588592c8b8eb50a8deb6a< a648d80f8d9b208beee03a2d9aa690cfacf1d41e affected
a62a8ef9d97da23762a588592c8b8eb50a8deb6a< a94fd938df2b1628da66b498aa0eeb89593bc7a2 affected
… +10 more rows
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I. Basic Information for CVE-2025-37773

Vulnerability Information
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Vulnerability Title
virtiofs: add filesystem context source name check
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: virtiofs: add filesystem context source name check In certain scenarios, for example, during fuzz testing, the source name may be NULL, which could lead to a kernel panic. Therefore, an extra check for the source name should be added.
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virtiofs中文件系统上下文源名称检查不足。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux a62a8ef9d97da23762a588592c8b8eb50a8deb6a ~ b84f13fdad10a543e2e65bab7e81b3f0bceabd67 -
Linux Linux 5.4 -

II. Public POCs for CVE-2025-37773

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III. Intelligence Information for CVE-2025-37773

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Patches & Fixes for CVE-2025-37773 (8)

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

CVE-2025-37750 9.8 CRITICAL smb: client: fix UAF in decryption with multichannel
CVE-2025-37778 9.8 CRITICAL ksmbd: Fix dangling pointer in krb_authenticate
CVE-2022-49770 9.8 CRITICAL ceph: avoid putting the realm twice when decoding snaps fails
CVE-2022-49931 8.8 HIGH IB/hfi1: Correctly move list in sc_disable()
CVE-2025-37776 8.8 HIGH ksmbd: fix use-after-free in smb_break_all_levII_oplock()
CVE-2025-37777 8.8 HIGH ksmbd: fix use-after-free in __smb2_lease_break_noti()
CVE-2025-37790 8.8 HIGH net: mctp: Set SOCK_RCU_FREE
CVE-2022-49910 8.8 HIGH Bluetooth: L2CAP: Fix use-after-free caused by l2cap_reassemble_sdu
CVE-2022-49886 8.4 HIGH x86/tdx: Panic on bad configs that #VE on "private" memory access
CVE-2025-23159 8.4 HIGH media: venus: hfi: add a check to handle OOB in sfr region
CVE-2025-37749 8.2 HIGH net: ppp: Add bound checking for skb data on ppp_sync_txmung
CVE-2025-37765 7.8 HIGH drm/nouveau: prime: fix ttm_bo_delayed_delete oops
CVE-2025-37779 7.8 HIGH lib/iov_iter: fix to increase non slab folio refcount
CVE-2022-49920 7.8 HIGH netfilter: nf_tables: netlink notifier might race to release objects
CVE-2022-49919 7.8 HIGH netfilter: nf_tables: release flow rule object from commit path
CVE-2022-49921 7.8 HIGH net: sched: Fix use after free in red_enqueue()
CVE-2025-37752 7.8 HIGH net_sched: sch_sfq: move the limit validation
CVE-2025-37756 7.8 HIGH net: tls: explicitly disallow disconnect
CVE-2025-37761 7.8 HIGH drm/xe: Fix an out-of-bounds shift when invalidating TLB
CVE-2022-49804 7.8 HIGH s390: 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-2025-37773

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