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CVE-2026-53279— drm/gma500/oaktrail_lvds: fix hang on init 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基金会开源的操作系统Linux所使用的内核。 Linux kernel 6.0版本存在安全漏洞，该漏洞源于oaktrail_lvds LVDS初始化代码中的错误处理，可能导致在初始化失败时尝试注销已注册的适配器，从而造成系统挂起。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux a57ebfc0b4da16a3f36bfebb158198aab3e340f8< 5fe9f505d8578852c30668567bc3ce52e776e8c7 affected
a57ebfc0b4da16a3f36bfebb158198aab3e340f8< 4e04b564c005c9900643c56656d751ad677889be affected
a57ebfc0b4da16a3f36bfebb158198aab3e340f8< 7877f7e231a8bd5c817af1491276550a5e195cd7 affected
a57ebfc0b4da16a3f36bfebb158198aab3e340f8< ab9256936b58eb178caddcf5b5b1638f079909d2 affected
a57ebfc0b4da16a3f36bfebb158198aab3e340f8< f6fc44af3bbd5ab0fb6bdec6f47decca11b38425 affected
a57ebfc0b4da16a3f36bfebb158198aab3e340f8< 657a091ab6d01d0091b77660c75cfed573c9a53e affected
6.0 affected
< 6.0 unaffected
… +6 more rows
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I. Basic Information for CVE-2026-53279

Vulnerability Information
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Vulnerability Title
drm/gma500/oaktrail_lvds: fix hang on init failure
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/gma500/oaktrail_lvds: fix hang on init failure The LVDS init code looks up an I2C adapter using i2c_get_adapter() and tries to read the EDID before falling back to allocating and registering its own adapter. The error handling does not separate these cases so on a late init failure it will try to deregister and free also an adapter that had previously been registered. Since i2c_get_adapter() takes another reference to the adapter, deregistration hangs indefinitely while waiting for the reference to be released. Fix this by only destroying adapters allocated during LVDS init on errors.
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 6.0版本存在安全漏洞，该漏洞源于oaktrail_lvds LVDS初始化代码中的错误处理，可能导致在初始化失败时尝试注销已注册的适配器，从而造成系统挂起。
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 a57ebfc0b4da16a3f36bfebb158198aab3e340f8 ~ 5fe9f505d8578852c30668567bc3ce52e776e8c7 -
Linux Linux 6.0 -

II. Public POCs for CVE-2026-53279

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III. Intelligence Information for CVE-2026-53279

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Patches & Fixes for CVE-2026-53279 (6)

Same Patch Batch · Linux · 2026-06-26 · 47 CVEs total

CVE-2026-53309 9.8 CRITICAL ocfs2/dlm: fix off-by-one in dlm_match_regions() region comparison
CVE-2026-53281 8.8 HIGH iommu/vt-d: Avoid NULL pointer dereference or refcount corruption
CVE-2026-53322 8.8 HIGH vfio/pci: Clean up DMABUFs before disabling function
CVE-2026-53300 7.8 HIGH net: enetc: fix NTMP DMA use-after-free issue
CVE-2026-53290 7.8 HIGH drm/xe/eustall: Fix drm_dev_put called before stream disable in close
CVE-2026-53284 7.5 HIGH btrfs: only release the dirty pages io tree after successful writes
CVE-2026-53324 net: mana: Use pci_name() for debugfs directory naming
CVE-2026-53316 drm/amd/ras: Fix NULL deref in ras_core_ras_interrupt_detected()
CVE-2026-53319 blk-wbt: remove WARN_ON_ONCE from wbt_init_enable_default()
CVE-2026-53321 io_uring/napi: cap busy_poll_to 10 msec
CVE-2026-53320 nilfs2: reject zero bd_oblocknr in nilfs_ioctl_mark_blocks_dirty()
CVE-2026-53323 net: dsa: remove redundant netdev_lock_ops() from conduit ethtool ops
CVE-2026-53313 drm/amd/display: Avoid NULL dereference in dc_dmub_srv error paths
CVE-2026-53312 iommu/riscv: Remove overflows on the invalidation path
CVE-2026-53311 fuse: fix uninit-value in fuse_dentry_revalidate()
CVE-2026-53310 soc/tegra: cbb: Fix cross-fabric target timeout lookup
CVE-2026-53308 power: supply: max77705: Free allocated workqueue and fix removal order
CVE-2026-53307 pinctrl: pinconf-generic: Fully validate 'pinmux' property
CVE-2026-53305 usb: typec: ps883x: Fix Oops at unbind
CVE-2026-53306 tty: hvc_iucv: fix off-by-one in number of supported devices

Showing top 20 of 47 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-53279

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