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CVE-2024-26660— drm/amd/display: Implement bounds check for stream encoder creation in DCN301

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dcn301_stream_encoder_create中存在缓冲区溢出漏洞。

CVSS 7.0 · High EPSS 0.27% · P17

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 3a83e4e64bb1522ddac67ffc787d1c38291e1a65< 42442f74314d41ddc68227047036fa3e78940054 affected
3a83e4e64bb1522ddac67ffc787d1c38291e1a65< efdd665ce1a1634b8c1dad5e7f6baaef3e131d0a affected
3a83e4e64bb1522ddac67ffc787d1c38291e1a65< cd9bd10c59e3c1446680514fd3097c5b00d3712d affected
3a83e4e64bb1522ddac67ffc787d1c38291e1a65< a938eab9586eea31cfd129a507f552efae14d738 affected
3a83e4e64bb1522ddac67ffc787d1c38291e1a65< 58fca355ad37dcb5f785d9095db5f748b79c5dc2 affected
5.11 affected
< 5.11 unaffected
5.15.149≤ 5.15.* unaffected
… +4 more rows
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I. Basic Information for CVE-2024-26660

Vulnerability Information
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Vulnerability Title
drm/amd/display: Implement bounds check for stream encoder creation in DCN301
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Implement bounds check for stream encoder creation in DCN301 'stream_enc_regs' array is an array of dcn10_stream_enc_registers structures. The array is initialized with four elements, corresponding to the four calls to stream_enc_regs() in the array initializer. This means that valid indices for this array are 0, 1, 2, and 3. The error message 'stream_enc_regs' 4 <= 5 below, is indicating that there is an attempt to access this array with an index of 5, which is out of bounds. This could lead to undefined behavior Here, eng_id is used as an index to access the stream_enc_regs array. If eng_id is 5, this would result in an out-of-bounds access on the stream_enc_regs array. Thus fixing Buffer overflow error in dcn301_stream_encoder_create reported by Smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/resource/dcn301/dcn301_resource.c:1011 dcn301_stream_encoder_create() error: buffer overflow 'stream_enc_regs' 4 <= 5
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/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dcn301_stream_encoder_create中存在缓冲区溢出漏洞。
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 3a83e4e64bb1522ddac67ffc787d1c38291e1a65 ~ 42442f74314d41ddc68227047036fa3e78940054 -
Linux Linux 5.11 -

II. Public POCs for CVE-2024-26660

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III. Intelligence Information for CVE-2024-26660

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Other References for CVE-2024-26660 (5)

Same Patch Batch · Linux · 2024-04-02 · 35 CVEs total

CVE-2024-26665 9.1 CRITICAL tunnels: fix out of bounds access when building IPv6 PMTU error
CVE-2023-52636 8.2 HIGH libceph: just wait for more data to be available on the socket
CVE-2024-26656 7.8 HIGH drm/amdgpu: fix use-after-free bug
CVE-2024-26659 7.8 HIGH xhci: handle isoc Babble and Buffer Overrun events properly
CVE-2024-26663 7.8 HIGH tipc: Check the bearer type before calling tipc_udp_nl_bearer_add()
CVE-2024-26664 7.8 HIGH hwmon: (coretemp) Fix out-of-bounds memory access
CVE-2024-26666 7.1 HIGH wifi: mac80211: fix RCU use in TDLS fast-xmit
CVE-2024-26673 netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations
CVE-2023-52634 drm/amd/display: Fix disable_otg_wa logic
CVE-2024-26674 x86/lib: Revert to _ASM_EXTABLE_UA() for {get,put}_user() fixups
CVE-2024-26675 ppp_async: limit MRU to 64K
CVE-2024-26676 af_unix: Call kfree_skb() for dead unix_(sk)->oob_skb in GC.
CVE-2024-26677 rxrpc: Fix delayed ACKs to not set the reference serial number
CVE-2024-26678 x86/efistub: Use 1:1 file:memory mapping for PE/COFF .compat section
CVE-2024-26679 inet: read sk->sk_family once in inet_recv_error()
CVE-2024-26680 net: atlantic: Fix DMA mapping for PTP hwts ring
CVE-2024-26681 netdevsim: avoid potential loop in nsim_dev_trap_report_work()
CVE-2024-26682 wifi: mac80211: improve CSA/ECSA connection refusal
CVE-2024-26683 wifi: cfg80211: detect stuck ECSA element in probe resp
CVE-2024-26684 net: stmmac: xgmac: fix handling of DPP safety error for DMA channels

Showing top 20 of 35 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-26660

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