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CVE-2025-37800— driver core: fix potential NULL pointer dereference in dev_uevent()

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，该漏洞源于未使用READ_ONCE导致空指针取消引用。

CVSS 7.1 · High EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1053.003 · Cron

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 16574dccd8f62dc1b585325f8a6a0aab10047ed8< abe56be73eb10a677d16066f65ff9d30251f5eee affected
16574dccd8f62dc1b585325f8a6a0aab10047ed8< 2b344e779d9afd0fcb5ee4000e4d0fc7d8d867eb affected
16574dccd8f62dc1b585325f8a6a0aab10047ed8< 3781e4b83e174364998855de777e184cf0b62c40 affected
16574dccd8f62dc1b585325f8a6a0aab10047ed8< 18daa52418e7e4629ed1703b64777294209d2622 affected
2.6.22 affected
< 2.6.22 unaffected
6.6.89≤ 6.6.* unaffected
6.12.26≤ 6.12.* unaffected
… +2 more rows
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I. Basic Information for CVE-2025-37800

Vulnerability Information
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Vulnerability Title
driver core: fix potential NULL pointer dereference in dev_uevent()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: driver core: fix potential NULL pointer dereference in dev_uevent() If userspace reads "uevent" device attribute at the same time as another threads unbinds the device from its driver, change to dev->driver from a valid pointer to NULL may result in crash. Fix this by using READ_ONCE() when fetching the pointer, and take bus' drivers klist lock to make sure driver instance will not disappear while we access it. Use WRITE_ONCE() when setting the driver pointer to ensure there is no tearing.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
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，该漏洞源于未使用READ_ONCE导致空指针取消引用。
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 16574dccd8f62dc1b585325f8a6a0aab10047ed8 ~ abe56be73eb10a677d16066f65ff9d30251f5eee -
Linux Linux 2.6.22 -

II. Public POCs for CVE-2025-37800

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III. Intelligence Information for CVE-2025-37800

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Same Patch Batch · Linux · 2025-05-08 · 33 CVEs total

CVE-2025-37801 7.8 HIGH spi: spi-imx: Add check for spi_imx_setupxfer()
CVE-2025-37822 7.8 HIGH riscv: uprobes: Add missing fence.i after building the XOL buffer
CVE-2025-37823 7.8 HIGH net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too
CVE-2025-37814 7.8 HIGH tty: Require CAP_SYS_ADMIN for all usages of TIOCL_SELMOUSEREPORT
CVE-2025-37813 7.8 HIGH usb: xhci: Fix invalid pointer dereference in Etron workaround
CVE-2025-37802 7.5 HIGH ksmbd: fix WARNING "do not call blocking ops when !TASK_RUNNING"
CVE-2025-37820 7.5 HIGH xen-netfront: handle NULL returned by xdp_convert_buff_to_frame()
CVE-2025-37828 scsi: ufs: mcq: Add NULL check in ufshcd_mcq_abort()
CVE-2025-37826 scsi: ufs: core: Add NULL check in ufshcd_mcq_compl_pending_transfer()
CVE-2025-37827 btrfs: zoned: return EIO on RAID1 block group write pointer mismatch
CVE-2025-37825 nvmet: fix out-of-bounds access in nvmet_enable_port
CVE-2025-37829 cpufreq: scpi: Fix null-ptr-deref in scpi_cpufreq_get_rate()
CVE-2025-37830 cpufreq: scmi: Fix null-ptr-deref in scmi_cpufreq_get_rate()
CVE-2025-37831 cpufreq: apple-soc: Fix null-ptr-deref in apple_soc_cpufreq_get_rate()
CVE-2025-37824 tipc: fix NULL pointer dereference in tipc_mon_reinit_self()
CVE-2025-37821 sched/eevdf: Fix se->slice being set to U64_MAX and resulting crash
CVE-2025-37834 mm/vmscan: don't try to reclaim hwpoison folio
CVE-2025-37833 net/niu: Niu requires MSIX ENTRY_DATA fields touch before entry reads
CVE-2025-37819 irqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode()
CVE-2025-37817 mcb: fix a double free bug in chameleon_parse_gdd()

Showing top 20 of 33 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-37800

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