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CVE-2025-38388— firmware: arm_ffa: Replace mutex with rwlock to avoid sleep in atomic context

EPSS 0.01% · P3

Affected Version Matrix 8

VendorProductVersion RangeStatus
LinuxLinuxe0573444edbf4ee7e3c191d3d08a4ccbd26628be< 31405510a48dcf054abfa5b7b8d70ce1b27d1f13affected
e0573444edbf4ee7e3c191d3d08a4ccbd26628be< 8986f8f61b482c0e6efd28f0b2423d9640c20eb1affected
e0573444edbf4ee7e3c191d3d08a4ccbd26628be< 9ca7a421229bbdfbe2e1e628cff5cfa782720a10affected
6.7affected
< 6.7unaffected
6.12.37≤ 6.12.*unaffected
6.15.6≤ 6.15.*unaffected
6.16≤ *unaffected
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I. Basic Information for CVE-2025-38388

Vulnerability Information
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Vulnerability Title
firmware: arm_ffa: Replace mutex with rwlock to avoid sleep in atomic context
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Replace mutex with rwlock to avoid sleep in atomic context The current use of a mutex to protect the notifier hashtable accesses can lead to issues in the atomic context. It results in the below kernel warnings: | BUG: sleeping function called from invalid context at kernel/locking/mutex.c:258 | in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 9, name: kworker/0:0 | preempt_count: 1, expected: 0 | RCU nest depth: 0, expected: 0 | CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.14.0 #4 | Workqueue: ffa_pcpu_irq_notification notif_pcpu_irq_work_fn | Call trace: | show_stack+0x18/0x24 (C) | dump_stack_lvl+0x78/0x90 | dump_stack+0x18/0x24 | __might_resched+0x114/0x170 | __might_sleep+0x48/0x98 | mutex_lock+0x24/0x80 | handle_notif_callbacks+0x54/0xe0 | notif_get_and_handle+0x40/0x88 | generic_exec_single+0x80/0xc0 | smp_call_function_single+0xfc/0x1a0 | notif_pcpu_irq_work_fn+0x2c/0x38 | process_one_work+0x14c/0x2b4 | worker_thread+0x2e4/0x3e0 | kthread+0x13c/0x210 | ret_from_fork+0x10/0x20 To address this, replace the mutex with an rwlock to protect the notifier hashtable accesses. This ensures that read-side locking does not sleep and multiple readers can acquire the lock concurrently, avoiding unnecessary contention and potential deadlocks. Writer access remains exclusive, preserving correctness. This change resolves warnings from lockdep about potential sleep in atomic context.
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，该漏洞源于在原子上下文中使用互斥锁可能导致睡眠。
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 e0573444edbf4ee7e3c191d3d08a4ccbd26628be ~ 31405510a48dcf054abfa5b7b8d70ce1b27d1f13 -
LinuxLinux 6.7 -

II. Public POCs for CVE-2025-38388

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III. Intelligence Information for CVE-2025-38388

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Same Patch Batch · Linux · 2025-07-25 · 114 CVEs total

CVE-2025-38426drm/amdgpu: Add basic validation for RAS header
CVE-2025-38440net/mlx5e: Fix race between DIM disable and net_dim()
CVE-2025-38438ASoC: SOF: Intel: hda: Use devm_kstrdup() to avoid memleak.
CVE-2025-38437ksmbd: fix potential use-after-free in oplock/lease break ack
CVE-2025-38436drm/scheduler: signal scheduled fence when kill job
CVE-2025-38435riscv: vector: Fix context save/restore with xtheadvector
CVE-2025-38434Revert "riscv: Define TASK_SIZE_MAX for __access_ok()"
CVE-2025-38433riscv: fix runtime constant support for nommu kernels
CVE-2025-38432net: netpoll: Initialize UDP checksum field before checksumming
CVE-2025-38431smb: client: fix regression with native SMB symlinks
CVE-2025-38430nfsd: nfsd4_spo_must_allow() must check this is a v4 compound request
CVE-2025-38429bus: mhi: ep: Update read pointer only after buffer is written
CVE-2025-38428Input: ims-pcu - check record size in ims_pcu_flash_firmware()
CVE-2025-38427video: screen_info: Relocate framebuffers behind PCI bridges
CVE-2025-38425i2c: tegra: check msg length in SMBUS block read
CVE-2025-38414wifi: ath12k: fix GCC_GCC_PCIE_HOT_RST definition for WCN7850
CVE-2025-38417ice: fix eswitch code memory leak in reset scenario
CVE-2025-38416NFC: nci: uart: Set tty->disc_data only in success path
CVE-2025-38415Squashfs: check return result of sb_min_blocksize
CVE-2025-38418remoteproc: core: Release rproc->clean_table after rproc_attach() fails

Showing top 20 of 114 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

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