CVE-2025-39834— net/mlx5: HWS, Fix memory leak in hws_action_get_shared_stc_nic error flow
Possible ATT&CK Techniques 1AI
T1496 · Resource HijackingAffected Version Matrix 6
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I. Basic Information for CVE-2025-39834
Vulnerability Information
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Vulnerability Title
net/mlx5: HWS, Fix memory leak in hws_action_get_shared_stc_nic error flow
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: HWS, Fix memory leak in hws_action_get_shared_stc_nic error flow When an invalid stc_type is provided, the function allocates memory for shared_stc but jumps to unlock_and_out without freeing it, causing a memory leak. Fix by jumping to free_shared_stc label instead to ensure proper cleanup.
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，该漏洞源于错误处理流程中未释放内存，可能导致内存泄漏。
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
II. Public POCs for CVE-2025-39834
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Same Patch Batch · Linux · 2025-09-16 · 115 CVEs total
| CVE-2025-39827 | 8.8 HIGH | net: rose: include node references in rose_neigh refcount |
| CVE-2025-39806 | 8.8 HIGH | HID: multitouch: fix slab out-of-bounds access in mt_report_fixup() |
| CVE-2025-39826 | 8.8 HIGH | net: rose: convert 'use' field to refcount_t |
| CVE-2025-39809 | 8.4 HIGH | HID: intel-thc-hid: intel-quicki2c: Fix ACPI dsd ICRS/ISUB length |
| CVE-2025-39825 | 7.8 HIGH | smb: client: fix race with concurrent opens in rename(2) |
| CVE-2025-39810 | 7.8 HIGH | bnxt_en: Fix memory corruption when FW resources change during ifdown |
| CVE-2025-39836 | 7.8 HIGH | efi: stmm: Fix incorrect buffer allocation method |
| CVE-2025-39815 | 7.8 HIGH | RISC-V: KVM: fix stack overrun when loading vlenb |
| CVE-2025-39818 | 7.8 HIGH | HID: intel-thc-hid: intel-thc: Fix incorrect pointer arithmetic in I2C regs save |
| CVE-2025-39821 | 7.8 HIGH | perf: Avoid undefined behavior from stopping/starting inactive events |
| CVE-2025-39817 | 7.1 HIGH | efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare |
| CVE-2022-50351 | cifs: Fix xid leak in cifs_create() | |
| CVE-2022-50349 | misc: tifm: fix possible memory leak in tifm_7xx1_switch_media() | |
| CVE-2023-53304 | netfilter: nft_set_rbtree: fix overlap expiration walk | |
| CVE-2022-50352 | net: hns: fix possible memory leak in hnae_ae_register() | |
| CVE-2022-50344 | ext4: fix null-ptr-deref in ext4_write_info | |
| CVE-2022-50350 | scsi: target: iscsi: Fix a race condition between login_work and the login thread | |
| CVE-2022-50348 | nfsd: Fix a memory leak in an error handling path | |
| CVE-2022-50347 | mmc: rtsx_usb_sdmmc: fix return value check of mmc_add_host() | |
| CVE-2022-50343 | rapidio: fix possible name leaks when rio_add_device() fails |
Showing top 20 of 115 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2022-4994
KVM: x86: wean fast IN from emulator_pio_in - CVE-2026-64560
posix-cpu-timers: Prevent UAF caused by non-leader exec() ra - CVE-2026-64559
s390/pkey: Check length in PKEY_VERIFYPROTK ioctl - CVE-2026-64558
s390/pkey: Check length in pkey_pckmo handler implementation - CVE-2026-64556
perf/core: Detach event groups during remove_on_exec
Same vendor: Linux
- CVE-2022-4994
KVM: x86: wean fast IN from emulator_pio_in - CVE-2026-64560
posix-cpu-timers: Prevent UAF caused by non-leader exec() ra - CVE-2026-64559
s390/pkey: Check length in PKEY_VERIFYPROTK ioctl - CVE-2026-64558
s390/pkey: Check length in pkey_pckmo handler implementation - CVE-2026-64556
perf/core: Detach event groups during remove_on_exec
V. Comments for CVE-2025-39834
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