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CVE-2025-38497— usb: gadget: configfs: Fix OOB read on empty string write

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，该漏洞源于空字符串写入时的越界读取。

AI Predicted 4.9 Difficulty: Easy EPSS 0.17% · P6

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 87213d388e927aaa88b21d5ff7e1f75ca2288da1< 78b41148cfea2a3f04d87adf3a71b21735820a37 affected
87213d388e927aaa88b21d5ff7e1f75ca2288da1< d68b7c8fefbaeae8f065b84e40cf64baf4cc0c76 affected
87213d388e927aaa88b21d5ff7e1f75ca2288da1< 15a87206879951712915c03c8952a73d6a74721e affected
87213d388e927aaa88b21d5ff7e1f75ca2288da1< 2798111f8e504ac747cce911226135d50b8de468 affected
87213d388e927aaa88b21d5ff7e1f75ca2288da1< 58bdd5160184645771553ea732da5c2887fc9bd1 affected
87213d388e927aaa88b21d5ff7e1f75ca2288da1< 783ea37b237a9b524f1e5ca018ea17d772ee0ea0 affected
87213d388e927aaa88b21d5ff7e1f75ca2288da1< 22b7897c289cc25d99c603f5144096142a30d897 affected
87213d388e927aaa88b21d5ff7e1f75ca2288da1< 3014168731b7930300aab656085af784edc861f6 affected
… +10 more rows
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I. Basic Information for CVE-2025-38497

Vulnerability Information
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Vulnerability Title
usb: gadget: configfs: Fix OOB read on empty string write
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: configfs: Fix OOB read on empty string write When writing an empty string to either 'qw_sign' or 'landingPage' sysfs attributes, the store functions attempt to access page[l - 1] before validating that the length 'l' is greater than zero. This patch fixes the vulnerability by adding a check at the beginning of os_desc_qw_sign_store() and webusb_landingPage_store() to handle the zero-length input case gracefully by returning immediately.
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，该漏洞源于空字符串写入时的越界读取。
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 87213d388e927aaa88b21d5ff7e1f75ca2288da1 ~ 78b41148cfea2a3f04d87adf3a71b21735820a37 -
Linux Linux 3.16 -

II. Public POCs for CVE-2025-38497

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III. Intelligence Information for CVE-2025-38497

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Patches & Fixes for CVE-2025-38497 (1)

Same Patch Batch · Linux · 2025-07-28 · 29 CVEs total

CVE-2025-38488 9.8 CRITICAL smb: client: fix use-after-free in crypt_message when using async crypto
CVE-2025-38471 9.8 CRITICAL tls: always refresh the queue when reading sock
CVE-2025-38472 9.8 CRITICAL netfilter: nf_conntrack: fix crash due to removal of uninitialised entry
CVE-2025-38476 9.8 CRITICAL rpl: Fix use-after-free in rpl_do_srh_inline().
CVE-2025-38490 9.8 CRITICAL net: libwx: remove duplicate page_pool_put_full_page()
CVE-2025-38495 8.8 HIGH HID: core: ensure the allocated report buffer can contain the reserved report ID
CVE-2025-38491 8.2 HIGH mptcp: make fallback action and fallback decision atomic
CVE-2025-38478 7.8 HIGH comedi: Fix initialization of data for instructions that write to subdevice
CVE-2025-38485 7.8 HIGH iio: accel: fxls8962af: Fix use after free in fxls8962af_fifo_flush
CVE-2025-38486 7.8 HIGH soundwire: Revert "soundwire: qcom: Add set_channel_map api support"
CVE-2025-38484 7.8 HIGH iio: backend: fix out-of-bound write
CVE-2025-38477 7.8 HIGH net/sched: sch_qfq: Fix race condition on qfq_aggregate
CVE-2025-38475 7.8 HIGH smc: Fix various oops due to inet_sock type confusion.
CVE-2025-38494 7.8 HIGH HID: core: do not bypass hid_hw_raw_request
CVE-2025-38470 7.8 HIGH net: vlan: fix VLAN 0 refcount imbalance of toggling filtering during runtime
CVE-2025-38493 tracing/osnoise: Fix crash in timerlat_dump_stack()
CVE-2025-38492 netfs: Fix race between cache write completion and ALL_QUEUED being set
CVE-2025-38483 comedi: das16m1: Fix bit shift out of bounds
CVE-2025-38489 s390/bpf: Fix bpf_arch_text_poke() with new_addr == NULL again
CVE-2025-38496 dm-bufio: fix sched in atomic context

Showing top 20 of 29 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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