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CVE-2025-71083— drm/ttm: Avoid NULL pointer deref for evicted BOs

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devcoredump尝试读取已驱逐的BO内容，可能导致空指针取消引用。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.14% · P3

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 09ac4fcb3f255e9225967c75f5893325c116cdbe< 47a85604a761005d255ae38115ee630cc6931756 affected
09ac4fcb3f255e9225967c75f5893325c116cdbe< 4b9944493c6d92d7b29cfd83aaf3deb842b8da79 affected
09ac4fcb3f255e9225967c75f5893325c116cdbe< 3d004f7341d4898889801ebb2ef61ffca610dd6f affected
09ac4fcb3f255e9225967c75f5893325c116cdbe< 5a81095d3e1b521ac7cfe3b14d5f149bace3d6e0 affected
09ac4fcb3f255e9225967c75f5893325c116cdbe< b94182b3d7228aec18d069cba56d5982e9bfe1b1 affected
09ac4fcb3f255e9225967c75f5893325c116cdbe< 491adc6a0f9903c32b05f284df1148de39e8e644 affected
4.14 affected
< 4.14 unaffected
… +6 more rows
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I. Basic Information for CVE-2025-71083

Vulnerability Information
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Vulnerability Title
drm/ttm: Avoid NULL pointer deref for evicted BOs
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Avoid NULL pointer deref for evicted BOs It is possible for a BO to exist that is not currently associated with a resource, e.g. because it has been evicted. When devcoredump tries to read the contents of all BOs for dumping, we need to expect this as well -- in this case, ENODATA is recorded instead of the buffer contents.
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devcoredump尝试读取已驱逐的BO内容，可能导致空指针取消引用。
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 09ac4fcb3f255e9225967c75f5893325c116cdbe ~ 47a85604a761005d255ae38115ee630cc6931756 -
Linux Linux 4.14 -

II. Public POCs for CVE-2025-71083

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III. Intelligence Information for CVE-2025-71083

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Same Patch Batch · Linux · 2026-01-13 · 93 CVEs total

CVE-2025-71068 9.8 CRITICAL svcrdma: bound check rq_pages index in inline path
CVE-2025-68775 9.8 CRITICAL net/handshake: duplicate handshake cancellations leak socket
CVE-2025-68817 9.8 CRITICAL ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency
CVE-2025-68794 9.8 CRITICAL iomap: adjust read range correctly for non-block-aligned positions
CVE-2025-68811 9.8 CRITICAL svcrdma: use rc_pageoff for memcpy byte offset
CVE-2025-68809 9.1 CRITICAL ksmbd: vfs: fix race on m_flags in vfs_cache
CVE-2025-71095 9.1 CRITICAL net: stmmac: fix the crash issue for zero copy XDP_TX action
CVE-2025-71093 9.1 CRITICAL e1000: fix OOB in e1000_tbi_should_accept()
CVE-2025-68818 8.8 HIGH scsi: Revert "scsi: qla2xxx: Perform lockless command completion in abort path"
CVE-2025-71072 8.2 HIGH shmem: fix recovery on rename failures
CVE-2025-68799 8.1 HIGH caif: fix integer underflow in cffrml_receive()
CVE-2025-68803 8.0 HIGH NFSD: NFSv4 file creation neglects setting ACL
CVE-2025-68819 7.8 HIGH media: dvb-usb: dtv5100: fix out-of-bounds in dtv5100_i2c_msg()
CVE-2025-68815 7.8 HIGH net/sched: ets: Remove drr class from the active list if it changes to strict
CVE-2025-71066 7.8 HIGH net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change
CVE-2025-68822 7.8 HIGH Input: alps - fix use-after-free bugs caused by dev3_register_work
CVE-2025-68792 7.8 HIGH tpm2-sessions: Fix out of range indexing in name_size
CVE-2025-68793 7.8 HIGH drm/amdgpu: fix a job->pasid access race in gpu recovery
CVE-2025-71074 7.8 HIGH functionfs: fix the open/removal races
CVE-2025-68795 7.8 HIGH ethtool: Avoid overflowing userspace buffer on stats query

Showing top 20 of 93 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-71083

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