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CVE-2026-53098— wifi: mt76: mt7915: fix use-after-free bugs in mt7915_mac_dump_work()

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基金会开源的操作系统Linux所使用的内核。 Linux kernel 6.2版本存在安全漏洞，该漏洞源于mt7915_mac_dump_work()中的释放后重用问题，可能导致竞争条件漏洞。

AI Predicted 4.7 Difficulty: Moderate EPSS 0.17% · P6

Affected Version Matrix 13

VendorProduct Version RangeStatus
Linux Linux 4bf3f4755611e3ae4cca58469e3c1d73be9c8093< 55159f1fa30bef03e01af469823c1de103a4a884 affected
4dbcb9125cc3e10a6d879c10e4f5816d05a87c49< 6d5202409467d621b6d1dfd7fc7dadb997fe66d2 affected
4dbcb9125cc3e10a6d879c10e4f5816d05a87c49< e6856af8a22a8e2cd18241a465ed00c2301b3a5e affected
4dbcb9125cc3e10a6d879c10e4f5816d05a87c49< 6b7cbb13c838cf2a5f2e7be0e96fe15250087939 affected
4dbcb9125cc3e10a6d879c10e4f5816d05a87c49< 21ce6d867867645fff0ef657be18f61d9f39dcd8 affected
4dbcb9125cc3e10a6d879c10e4f5816d05a87c49< 1146d0946b5358fad24812bd39d68f31cd40cc34 affected
6.2 affected
< 6.2 unaffected
… +5 more rows
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I. Basic Information for CVE-2026-53098

Vulnerability Information
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Vulnerability Title
wifi: mt76: mt7915: fix use-after-free bugs in mt7915_mac_dump_work()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: fix use-after-free bugs in mt7915_mac_dump_work() When the mt7915 pci chip is detaching, the mt7915_crash_data is released in mt7915_coredump_unregister(). However, the work item dump_work may still be running or pending, leading to UAF bugs when the already freed crash_data is dereferenced again in mt7915_mac_dump_work(). The race condition can occur as follows: CPU 0 (removal path) | CPU 1 (workqueue) mt7915_pci_remove() | mt7915_sys_recovery_set() mt7915_unregister_device() | mt7915_reset() mt7915_coredump_unregister() | queue_work() vfree(dev->coredump.crash_data) | mt7915_mac_dump_work() | crash_data-> // UAF Fix this by ensuring dump_work is properly canceled before the crash_data is deallocated. Add cancel_work_sync() in mt7915_unregister_device() to synchronize with any pending or executing dump work.
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基金会开源的操作系统Linux所使用的内核。 Linux kernel 6.2版本存在安全漏洞，该漏洞源于mt7915_mac_dump_work()中的释放后重用问题，可能导致竞争条件漏洞。
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 4bf3f4755611e3ae4cca58469e3c1d73be9c8093 ~ 55159f1fa30bef03e01af469823c1de103a4a884 -
Linux Linux 6.2 -

II. Public POCs for CVE-2026-53098

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III. Intelligence Information for CVE-2026-53098

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Patches & Fixes for CVE-2026-53098 (6)

Same Patch Batch · Linux · 2026-06-24 · 219 CVEs total

CVE-2026-53049 9.8 CRITICAL gfs2: add some missing log locking
CVE-2026-52993 9.8 CRITICAL tipc: fix double-free in tipc_buf_append()
CVE-2026-52989 9.8 CRITICAL nvmet-tcp: propagate nvmet_tcp_build_pdu_iovec() errors to its callers
CVE-2026-52986 9.8 CRITICAL netfilter: nf_conntrack_sip: don't use simple_strtoul
CVE-2026-52982 9.8 CRITICAL net: usb: rtl8150: fix use-after-free in rtl8150_start_xmit()
CVE-2026-53002 9.8 CRITICAL netfilter: conntrack: remove sprintf usage
CVE-2026-53006 9.8 CRITICAL ipv6: fix possible UAF in icmpv6_rcv()
CVE-2026-53045 9.8 CRITICAL memory: tegra124-emc: Fix dll_change check
CVE-2026-53046 9.8 CRITICAL ksmbd: fix use-after-free from async crypto on Qualcomm crypto engine
CVE-2026-52955 9.8 CRITICAL libceph: Fix potential out-of-bounds access in crush_decode()
CVE-2026-53086 9.8 CRITICAL net: bcmgenet: fix racing timeout handler
CVE-2026-53055 9.8 CRITICAL crypto: hisilicon/sec2 - prevent req used-after-free for sec
CVE-2026-52924 9.8 CRITICAL sctp: purge outqueue on stale COOKIE-ECHO handling
CVE-2026-53010 9.8 CRITICAL ksmbd: fix use-after-free in smb2_open during durable reconnect
CVE-2026-52931 9.8 CRITICAL batman-adv: tp_meter: avoid use of uninit sender vars
CVE-2026-53088 9.8 CRITICAL net: bcmgenet: fix off-by-one in bcmgenet_put_txcb
CVE-2026-52914 9.8 CRITICAL batman-adv: fix fragment reassembly length accounting
CVE-2026-52958 9.1 CRITICAL libceph: Fix potential out-of-bounds access in osdmap_decode()
CVE-2026-53043 9.1 CRITICAL ocfs2/dlm: validate qr_numregions in dlm_match_regions()
CVE-2026-52999 9.1 CRITICAL netfilter: nfnetlink_osf: fix out-of-bounds read on option matching

Showing top 20 of 219 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-53098

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