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CVE-2026-43242— soc: ti: k3-socinfo: Fix regmap leak on probe failure

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k3-socinfo驱动在探测失败时未释放mmio regmap，可能导致资源泄漏。

AI Predicted 3.3 Difficulty: Trivial EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 25

VendorProduct Version RangeStatus
Linux Linux c7e8e3e3591cbda98ebe6221e3cc8a971b8eed6e< c97c21d342838b2a7787b0f1d6ad417e85c906f6 affected
db5833217f133b74fb76c75c45be07c881d4d985< b1006b5892ec8a95d039a89b47e6fd69cf607405 affected
5f496a9f1c8c7a58f35a8b6bcb826e23c2d58ec0< 458136527fe127fd051c1c9537f4540849780d70 affected
3314310b3f3e69961f421a123ccb1ea9669d75c4< d451bf970a0c54b586f8b3161261bdf35d463c99 affected
06100e642f4b83ec758744e5f992d7a2039ec98f< eaa16059f9af26d8b8a6f3e887649f58e8ca96c9 affected
a5caf03188e44388e8c618dcbe5fffad1a249385< ab1ac24c407e4df326d7154a4deadd444e9209d9 affected
a5caf03188e44388e8c618dcbe5fffad1a249385< bbaa9e615608c204d384a7d4b1a434580a142d4c affected
a5caf03188e44388e8c618dcbe5fffad1a249385< c933138d45176780fabbbe7da263e04d5b3e525d affected
… +17 more rows
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I. Basic Information for CVE-2026-43242

Vulnerability Information
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Vulnerability Title
soc: ti: k3-socinfo: Fix regmap leak on probe failure
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: soc: ti: k3-socinfo: Fix regmap leak on probe failure The mmio regmap allocated during probe is never freed. Switch to using the device managed allocator so that the regmap is released on probe failures (e.g. probe deferral) and on driver unbind.
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k3-socinfo驱动在探测失败时未释放mmio regmap，可能导致资源泄漏。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux c7e8e3e3591cbda98ebe6221e3cc8a971b8eed6e ~ c97c21d342838b2a7787b0f1d6ad417e85c906f6 -
Linux Linux 6.15 -

II. Public POCs for CVE-2026-43242

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III. Intelligence Information for CVE-2026-43242

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Patches & Fixes for CVE-2026-43242 (8)

Same Patch Batch · Linux · 2026-05-06 · 224 CVEs total

CVE-2026-43186 9.8 CRITICAL ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data()
CVE-2026-43185 9.8 CRITICAL ksmbd: fix signededness bug in smb_direct_prepare_negotiation()
CVE-2026-43125 9.8 CRITICAL dlm: validate length in dlm_search_rsb_tree
CVE-2026-43208 9.8 CRITICAL net: do not pass flow_id to set_rps_cpu()
CVE-2026-43198 9.8 CRITICAL tcp: fix potential race in tcp_v6_syn_recv_sock()
CVE-2026-43114 9.4 CRITICAL netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry
CVE-2026-43117 9.1 CRITICAL btrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file()
CVE-2026-43083 9.1 CRITICAL net: ioam6: fix OOB and missing lock
CVE-2026-43197 9.1 CRITICAL netconsole: avoid OOB reads, msg is not nul-terminated
CVE-2026-43232 8.8 HIGH net: wan: farsync: Fix use-after-free bugs caused by unfinished tasklets
CVE-2026-43215 8.8 HIGH cifs: Fix locking usage for tcon fields
CVE-2026-43112 8.8 HIGH fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath
CVE-2026-43113 8.8 HIGH wifi: wl1251: validate packet IDs before indexing tx_frames
CVE-2026-43187 8.8 HIGH xfs: delete attr leaf freemap entries when empty
CVE-2026-43110 8.8 HIGH wifi: brcmfmac: validate bsscfg indices in IF events
CVE-2026-43283 8.8 HIGH net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle
CVE-2026-43176 8.8 HIGH wifi: rtw89: pci: validate release report content before using for RTL8922DE
CVE-2026-43249 8.8 HIGH 9p/xen: protect xen_9pfs_front_free against concurrent calls
CVE-2026-43158 8.8 HIGH xfs: fix freemap adjustments when adding xattrs to leaf blocks
CVE-2026-43172 8.8 HIGH wifi: iwlwifi: fix 22000 series SMEM parsing

Showing top 20 of 224 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-43242

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