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CVE-2026-23152— wifi: mac80211: correctly decode TTLM with default link map

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TID-To-Link Mapping元素解析不当，可能导致读取越界。

AI Predicted 7.8 Difficulty: Hard EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1041 · Exfiltration Over C2 Channel

Affected Version Matrix 6

VendorProduct Version RangeStatus
Linux Linux 702e80470a3359ce02b3f846f48f6db4ac7fd837< aabc36857bd39da65fe2d047bfaf63a0a09917d4 affected
702e80470a3359ce02b3f846f48f6db4ac7fd837< 1eab33aa63c993685dd341e03bd5b267dd7403fa affected
6.7 affected
< 6.7 unaffected
6.18.9≤ 6.18.* unaffected
6.19≤ * unaffected
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I. Basic Information for CVE-2026-23152

Vulnerability Information
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Vulnerability Title
wifi: mac80211: correctly decode TTLM with default link map
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: correctly decode TTLM with default link map TID-To-Link Mapping (TTLM) elements do not contain any link mapping presence indicator if a default mapping is used and parsing needs to be skipped. Note that access points should not explicitly report an advertised TTLM with a default mapping as that is the implied mapping if the element is not included, this is even the case when switching back to the default mapping. However, mac80211 would incorrectly parse the frame and would also read one byte beyond the end of the element.
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TID-To-Link Mapping元素解析不当，可能导致读取越界。
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 702e80470a3359ce02b3f846f48f6db4ac7fd837 ~ aabc36857bd39da65fe2d047bfaf63a0a09917d4 -
Linux Linux 6.7 -

II. Public POCs for CVE-2026-23152

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III. Intelligence Information for CVE-2026-23152

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Same Patch Batch · Linux · 2026-02-14 · 108 CVEs total

CVE-2025-71202 8.8 HIGH iommu/sva: invalidate stale IOTLB entries for kernel address space
CVE-2026-23193 8.8 HIGH scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count()
CVE-2026-23172 8.4 HIGH net: wwan: t7xx: fix potential skb->frags overflow in RX path
CVE-2026-23209 7.8 HIGH macvlan: fix error recovery in macvlan_common_newlink()
CVE-2025-71221 7.8 HIGH dmaengine: mmp_pdma: Fix race condition in mmp_pdma_residue()
CVE-2026-23178 7.8 HIGH HID: i2c-hid: fix potential buffer overflow in i2c_hid_get_report()
CVE-2026-23184 7.8 HIGH binder: fix UAF in binder_netlink_report()
CVE-2026-23185 7.8 HIGH wifi: iwlwifi: mld: cancel mlo_scan_start_wk
CVE-2026-23171 7.8 HIGH bonding: fix use-after-free due to enslave fail after slave array update
CVE-2026-23169 7.8 HIGH mptcp: fix race in mptcp_pm_nl_flush_addrs_doit()
CVE-2026-23191 7.8 HIGH ALSA: aloop: Fix racy access at PCM trigger
CVE-2026-23192 7.8 HIGH linkwatch: use __dev_put() in callers to prevent UAF
CVE-2026-23198 7.8 HIGH KVM: Don't clobber irqfd routing type when deassigning irqfd
CVE-2026-23136 7.5 HIGH libceph: reset sparse-read state in osd_fault()
CVE-2026-23148 7.5 HIGH nvmet: fix race in nvmet_bio_done() leading to NULL pointer dereference
CVE-2026-23139 7.5 HIGH netfilter: nf_conncount: update last_gc only when GC has been performed
CVE-2025-71204 7.5 HIGH smb/server: fix refcount leak in parse_durable_handle_context()
CVE-2026-23161 7.3 HIGH mm/shmem, swap: fix race of truncate and swap entry split
CVE-2026-23204 7.1 HIGH net/sched: cls_u32: use skb_header_pointer_careful()
CVE-2025-71201 7.1 HIGH netfs: Fix early read unlock of page with EOF in middle

Showing top 20 of 108 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-23152

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