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CVE-2024-26600— phy: ti: phy-omap-usb2: Fix NULL pointer dereference for SRP

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 SRP 存在空指针取消引用。

AI Predicted 4.4 Difficulty: Moderate EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 657b306a7bdfca4ae1514b533a0e7c3c6d26dbc6< 486218c11e8d1c8f515a3bdd70d62203609d4b6b affected
657b306a7bdfca4ae1514b533a0e7c3c6d26dbc6< 8398d8d735ee93a04fb9e9f490e8cacd737e3bf5 affected
657b306a7bdfca4ae1514b533a0e7c3c6d26dbc6< be3b82e4871ba00e9b5d0ede92d396d579d7b3b3 affected
657b306a7bdfca4ae1514b533a0e7c3c6d26dbc6< 8cc889b9dea0579726be9520fcc766077890b462 affected
657b306a7bdfca4ae1514b533a0e7c3c6d26dbc6< 0430bfcd46657d9116a26cd377f112cbc40826a4 affected
657b306a7bdfca4ae1514b533a0e7c3c6d26dbc6< 14ef61594a5a286ae0d493b8acbf9eac46fd04c4 affected
657b306a7bdfca4ae1514b533a0e7c3c6d26dbc6< 396e17af6761b3cc9e6e4ca94b4de7f642bfece1 affected
657b306a7bdfca4ae1514b533a0e7c3c6d26dbc6< 7104ba0f1958adb250319e68a15eff89ec4fd36d affected
… +10 more rows
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I. Basic Information for CVE-2024-26600

Vulnerability Information
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Vulnerability Title
phy: ti: phy-omap-usb2: Fix NULL pointer dereference for SRP
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: phy: ti: phy-omap-usb2: Fix NULL pointer dereference for SRP If the external phy working together with phy-omap-usb2 does not implement send_srp(), we may still attempt to call it. This can happen on an idle Ethernet gadget triggering a wakeup for example: configfs-gadget.g1 gadget.0: ECM Suspend configfs-gadget.g1 gadget.0: Port suspended. Triggering wakeup ... Unable to handle kernel NULL pointer dereference at virtual address 00000000 when execute ... PC is at 0x0 LR is at musb_gadget_wakeup+0x1d4/0x254 [musb_hdrc] ... musb_gadget_wakeup [musb_hdrc] from usb_gadget_wakeup+0x1c/0x3c [udc_core] usb_gadget_wakeup [udc_core] from eth_start_xmit+0x3b0/0x3d4 [u_ether] eth_start_xmit [u_ether] from dev_hard_start_xmit+0x94/0x24c dev_hard_start_xmit from sch_direct_xmit+0x104/0x2e4 sch_direct_xmit from __dev_queue_xmit+0x334/0xd88 __dev_queue_xmit from arp_solicit+0xf0/0x268 arp_solicit from neigh_probe+0x54/0x7c neigh_probe from __neigh_event_send+0x22c/0x47c __neigh_event_send from neigh_resolve_output+0x14c/0x1c0 neigh_resolve_output from ip_finish_output2+0x1c8/0x628 ip_finish_output2 from ip_send_skb+0x40/0xd8 ip_send_skb from udp_send_skb+0x124/0x340 udp_send_skb from udp_sendmsg+0x780/0x984 udp_sendmsg from __sys_sendto+0xd8/0x158 __sys_sendto from ret_fast_syscall+0x0/0x58 Let's fix the issue by checking for send_srp() and set_vbus() before calling them. For USB peripheral only cases these both could be NULL.
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 SRP 存在空指针取消引用。
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 657b306a7bdfca4ae1514b533a0e7c3c6d26dbc6 ~ 486218c11e8d1c8f515a3bdd70d62203609d4b6b -
Linux Linux 3.7 -

II. Public POCs for CVE-2024-26600

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III. Intelligence Information for CVE-2024-26600

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Mailing List Discussions for CVE-2024-26600 (2)

Other References for CVE-2024-26600 (8)

Same Patch Batch · Linux · 2024-02-24 · 6 CVEs total

CVE-2024-26601 7.8 HIGH ext4: regenerate buddy after block freeing failed if under fc replay
CVE-2024-26605 PCI/ASPM: Fix deadlock when enabling ASPM
CVE-2024-26603 x86/fpu: Stop relying on userspace for info to fault in xsave buffer
CVE-2024-26604 Revert "kobject: Remove redundant checks for whether ktype is NULL"
CVE-2024-26602 sched/membarrier: reduce the ability to hammer on sys_membarrier

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-26600

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