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CVE-2026-53045— memory: tegra124-emc: Fix dll_change check

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 4.2版本存在安全漏洞，该漏洞源于tegra124-emc驱动程序中dll_change检查逻辑反转，导致对EMRS寄存器中DLL启用状态的判断错误。

CVSS 9.8 · Critical EPSS 0.51% · P43

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 73a7f0a90641b09300d47308682b674c570dd6a2< a85967331144fde9300be38bb44d2558eb6b742e affected
73a7f0a90641b09300d47308682b674c570dd6a2< db0ae80865b515cc0b705c85877ec00f7eebe9fe affected
73a7f0a90641b09300d47308682b674c570dd6a2< 2369b1831161356e1bcb51385d3e532dc4fe2771 affected
73a7f0a90641b09300d47308682b674c570dd6a2< 7e19e72f306484996c52ff96cc92f69b78ed5435 affected
73a7f0a90641b09300d47308682b674c570dd6a2< 05f138fc7e27ee8e7a83ccf966c3fa26cda44dda affected
73a7f0a90641b09300d47308682b674c570dd6a2< 1793249c067a4b28e1aba0ad0e4d73aa9f9e165a affected
73a7f0a90641b09300d47308682b674c570dd6a2< 1ebbbef47d11cc90219c081492ccf995aaa3e9b3 affected
73a7f0a90641b09300d47308682b674c570dd6a2< 9597ab9a8296ab337e6820f8a717ff621078b632 affected
… +10 more rows
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I. Basic Information for CVE-2026-53045

Vulnerability Information
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Vulnerability Title
memory: tegra124-emc: Fix dll_change check
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: memory: tegra124-emc: Fix dll_change check The code checking whether the specified memory timing enables DLL in the EMRS register was reversed. DLL is enabled if bit A0 is low. Fix the check.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 4.2版本存在安全漏洞，该漏洞源于tegra124-emc驱动程序中dll_change检查逻辑反转，导致对EMRS寄存器中DLL启用状态的判断错误。
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 73a7f0a90641b09300d47308682b674c570dd6a2 ~ a85967331144fde9300be38bb44d2558eb6b742e -
Linux Linux 4.2 -

II. Public POCs for CVE-2026-53045

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III. Intelligence Information for CVE-2026-53045

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Patches & Fixes for CVE-2026-53045 (8)

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

CVE-2026-53046 9.8 CRITICAL ksmbd: fix use-after-free from async crypto on Qualcomm crypto engine
CVE-2026-53010 9.8 CRITICAL ksmbd: fix use-after-free in smb2_open during durable reconnect
CVE-2026-53088 9.8 CRITICAL net: bcmgenet: fix off-by-one in bcmgenet_put_txcb
CVE-2026-53006 9.8 CRITICAL ipv6: fix possible UAF in icmpv6_rcv()
CVE-2026-53002 9.8 CRITICAL netfilter: conntrack: remove sprintf usage
CVE-2026-53086 9.8 CRITICAL net: bcmgenet: fix racing timeout handler
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-2026-52955 9.8 CRITICAL libceph: Fix potential out-of-bounds access in crush_decode()
CVE-2026-53049 9.8 CRITICAL gfs2: add some missing log locking
CVE-2026-52924 9.8 CRITICAL sctp: purge outqueue on stale COOKIE-ECHO handling
CVE-2026-52931 9.8 CRITICAL batman-adv: tp_meter: avoid use of uninit sender vars
CVE-2026-53055 9.8 CRITICAL crypto: hisilicon/sec2 - prevent req used-after-free for sec
CVE-2026-52914 9.8 CRITICAL batman-adv: fix fragment reassembly length accounting
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
CVE-2026-52958 9.1 CRITICAL libceph: Fix potential out-of-bounds access in osdmap_decode()
CVE-2026-52918 8.8 HIGH Bluetooth: serialize accept_q access

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-2026-53045

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