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CVE-2025-38568— net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing

EPSS 0.02% · P6
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I. Basic Information for CVE-2025-38568

Vulnerability Information
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Vulnerability Title
net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing TCA_MQPRIO_TC_ENTRY_INDEX is validated using NLA_POLICY_MAX(NLA_U32, TC_QOPT_MAX_QUEUE), which allows the value TC_QOPT_MAX_QUEUE (16). This leads to a 4-byte out-of-bounds stack write in the fp[] array, which only has room for 16 elements (0–15). Fix this by changing the policy to allow only up to TC_QOPT_MAX_QUEUE - 1.
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mqprio模块中tc条目解析存在栈溢出，可能导致数据损坏。
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 f62af20bed2d9e824f51cfc97ff01bc261f40e58 ~ 39491e859fd494d0b51adc5c7d54c8a7dcf1d198 -
LinuxLinux 6.4 -

II. Public POCs for CVE-2025-38568

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III. Intelligence Information for CVE-2025-38568

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Same Patch Batch · Linux · 2025-08-19 · 60 CVEs total

CVE-2025-38594iommu/vt-d: Fix UAF on sva unbind with pending IOPFs
CVE-2025-38614eventpoll: Fix semi-unbounded recursion
CVE-2025-38610powercap: dtpm_cpu: Fix NULL pointer dereference in get_pd_power_uw()
CVE-2025-38609PM / devfreq: Check governor before using governor->name
CVE-2025-38608bpf, ktls: Fix data corruption when using bpf_msg_pop_data() in ktls
CVE-2025-38612staging: fbtft: fix potential memory leak in fbtft_framebuffer_alloc()
CVE-2025-38598drm/amdgpu: fix use-after-free in amdgpu_userq_suspend+0x51a/0x5a0
CVE-2025-38597drm/rockchip: vop2: fail cleanly if missing a primary plane for a video-port
CVE-2025-38595xen: fix UAF in dmabuf_exp_from_pages()
CVE-2025-38596drm/panthor: Fix UAF in panthor_gem_create_with_handle() debugfs code
CVE-2025-38599wifi: mt76: mt7996: Fix possible OOB access in mt7996_tx()
CVE-2025-38593Bluetooth: hci_sync: fix double free in 'hci_discovery_filter_clear()'
CVE-2025-38592Bluetooth: hci_devcd_dump: fix out-of-bounds via dev_coredumpv
CVE-2025-38591bpf: Reject narrower access to pointer ctx fields
CVE-2025-38590net/mlx5e: Remove skb secpath if xfrm state is not found
CVE-2025-38589neighbour: Fix null-ptr-deref in neigh_flush_dev().
CVE-2025-38588ipv6: prevent infinite loop in rt6_nlmsg_size()
CVE-2025-38587ipv6: fix possible infinite loop in fib6_info_uses_dev()
CVE-2025-38586bpf, arm64: Fix fp initialization for exception boundary
CVE-2025-38585staging: media: atomisp: Fix stack buffer overflow in gmin_get_var_int()

Showing top 20 of 60 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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