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CVE-2025-38108— net_sched: red: fix a race in __red_change()

EPSS 0.06% · P17
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I. Basic Information for CVE-2025-38108

Vulnerability Information
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Vulnerability Title
net_sched: red: fix a race in __red_change()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net_sched: red: fix a race in __red_change() Gerrard Tai reported a race condition in RED, whenever SFQ perturb timer fires at the wrong time. The race is as follows: CPU 0 CPU 1 [1]: lock root [2]: qdisc_tree_flush_backlog() [3]: unlock root | | [5]: lock root | [6]: rehash | [7]: qdisc_tree_reduce_backlog() | [4]: qdisc_put() This can be abused to underflow a parent's qlen. Calling qdisc_purge_queue() instead of qdisc_tree_flush_backlog() should fix the race, because all packets will be purged from the qdisc before releasing the lock.
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net_sched red在__red_change中竞争条件。
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 0c8d13ac96070000da33f394f45e9c19638483c5 ~ 2790c4ec481be45a80948d059cd7c9a06bc37493 -
LinuxLinux 5.0 -

II. Public POCs for CVE-2025-38108

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III. Intelligence Information for CVE-2025-38108

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Same Patch Batch · Linux · 2025-07-03 · 78 CVEs total

CVE-2025-38129page_pool: Fix use-after-free in page_pool_recycle_in_ring
CVE-2025-38128Bluetooth: MGMT: reject malformed HCI_CMD_SYNC commands
CVE-2025-38114e1000: Move cancel_work_sync to avoid deadlock
CVE-2025-38127ice: fix Tx scheduler error handling in XDP callback
CVE-2025-38125net: stmmac: make sure that ptp_rate is not 0 before configuring EST
CVE-2025-38126net: stmmac: make sure that ptp_rate is not 0 before configuring timestamping
CVE-2025-38130drm/connector: only call HDMI audio helper plugged cb if non-null
CVE-2025-38131coresight: prevent deactivate active config while enabling the config
CVE-2025-38132coresight: holding cscfg_csdev_lock while removing cscfg from csdev
CVE-2025-38133iio: adc: ad4851: fix ad4858 chan pointer handling
CVE-2025-38124net: fix udp gso skb_segment after pull from frag_list
CVE-2025-38122gve: add missing NULL check for gve_alloc_pending_packet() in TX DQO
CVE-2025-38123net: wwan: t7xx: Fix napi rx poll issue
CVE-2025-38121wifi: iwlwifi: mld: avoid panic on init failure
CVE-2025-38119scsi: core: ufs: Fix a hang in the error handler
CVE-2025-38120netfilter: nf_set_pipapo_avx2: fix initial map fill
CVE-2025-38118Bluetooth: MGMT: Fix UAF on mgmt_remove_adv_monitor_complete
CVE-2025-38117Bluetooth: MGMT: Protect mgmt_pending list with its own lock
CVE-2025-38115net_sched: sch_sfq: fix a potential crash on gso_skb handling
CVE-2025-38116wifi: ath12k: fix uaf in ath12k_core_init()

Showing top 20 of 78 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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