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CVE-2026-53261— Linux kernel 安全漏洞

AI Predicted 5.5 Difficulty: Moderate EPSS 0.16% · P6

Affected Version Matrix 10

ベンダープロダクトVersion Rangeステータス
LinuxLinuxc137743bce02b18c1537d4681aa515f7b80bf0a8< a9137286884703113b1c9e6403bd6d7d97b14754affected
c137743bce02b18c1537d4681aa515f7b80bf0a8< 927f96861f939c0b517d13ed27bf4fabbfc1cfb3affected
c137743bce02b18c1537d4681aa515f7b80bf0a8< 11324d52b0c63f4f202b35793c6507a575e9a689affected
c137743bce02b18c1537d4681aa515f7b80bf0a8< 3522b21fd7e1863d0734537737bd59f1b90d0190affected
6.7affected
< 6.7unaffected
6.12.94≤ 6.12.*unaffected
6.18.36≤ 6.18.*unaffected
… +2 more rows
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I. CVE-2026-53261の基本情報

脆弱性情報
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脆弱性タイトル
devlink: Release nested relation on devlink free
ソース: NVD (National Vulnerability Database)
脆弱性説明
In the Linux kernel, the following vulnerability has been resolved: devlink: Release nested relation on devlink free devlink relation state is normally released from devl_unregister(), which calls devlink_rel_put(). This misses devlink instances that get a nested relation before registration and then fail probe before devl_register() is reached. That flow can happen for SFs. The child devlink gets linked to its parent before registration, then a later probe error calls devlink_free() directly. Since the instance was never registered, devl_unregister() is not called and devlink->rel is leaked. Release any pending relation from devlink_free() as well. The registered path is unchanged because devl_unregister() already clears devlink->rel before devlink_free() runs.
ソース: NVD (National Vulnerability Database)
CVSS情報
N/A
ソース: NVD (National Vulnerability Database)
脆弱性タイプ
N/A
ソース: NVD (National Vulnerability Database)
脆弱性タイトル
Linux kernel 安全漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
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 6.7版本存在安全漏洞，该漏洞源于devlink关系状态释放问题，可能导致devlink实例在注册前获取嵌套关系后探测失败时资源泄漏。
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)

影響を受ける製品

ベンダープロダクト影響を受けるバージョンCPE購読
LinuxLinux c137743bce02b18c1537d4681aa515f7b80bf0a8 ~ a9137286884703113b1c9e6403bd6d7d97b14754 -
LinuxLinux 6.7 -

II. CVE-2026-53261の公開POC

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III. CVE-2026-53261のインテリジェンス情報

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CVE-2026-53261 补丁与修复 (4)

Same Patch Batch · Linux · 2026-06-25 · 147 CVEs total

CVE-2026-531759.8 CRITICALinet: frags: fix use-after-free caused by the fqdir_pre_exit() flush
CVE-2026-531769.8 CRITICALIB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN
CVE-2026-532219.8 CRITICALip6_vti: fix incorrect tunnel matching in vti6_tnl_lookup()
CVE-2026-532169.8 CRITICALnet: mvpp2: limit XDP frame size to the RX buffer
CVE-2026-532289.8 CRITICALipv6: sit: reload inner IPv6 header after GSO offloads
CVE-2026-531519.8 CRITICALrxrpc: Fix the ACK parser to extract the SACK table for parsing
CVE-2026-532159.8 CRITICALnet: mvpp2: refill RX buffers before XDP or skb use
CVE-2026-532609.8 CRITICALtcp: Add preempt_{disable,enable}_nested() in reqsk_queue_hash_req().
CVE-2026-532479.8 CRITICALnet: ethernet: mtk_eth_soc: Fix use-after-free in metadata dst teardown
CVE-2026-532469.8 CRITICALsctp: validate cached peer INIT chunk length in COOKIE_ECHO processing
CVE-2026-531319.4 CRITICALnetfilter: require Ethernet MAC header before using eth_hdr()
CVE-2026-532249.1 CRITICALsctp: validate embedded INIT chunk and address list lengths in cookie
CVE-2026-531869.1 CRITICALRDMA/srp: bound SRP_RSP sense copy by the received length
CVE-2026-532259.1 CRITICALsctp: fix uninit-value in __sctp_rcv_asconf_lookup()
CVE-2026-532008.8 HIGHKVM: arm64: nv: Fix handling of XN[0] when !FEAT_XNX
CVE-2026-532778.8 HIGHKVM: arm64: Take the SRCU lock for page table walks in fault injection and AT emulation
CVE-2026-532328.8 HIGHnet: phy: clean the sfp upstream if phy probing fails
CVE-2026-531988.8 HIGHksmbd: fix use-after-free of a deferred file_lock on double SMB2_CANCEL
CVE-2026-532408.8 HIGHxfrm: iptfs: fix use-after-free on first_skb in __input_process_payload
CVE-2026-531888.8 HIGHRDMA/core: Validate the passed in fops for ib_get_ucaps()

Showing 20 of 147 CVEs. View all on vendor page →

IV. 関連脆弱性

同じ製品: Linux
同じベンダー: Linux

V. CVE-2026-53261へのコメント

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