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CVE-2022-48803— phy: ti: Fix missing sentinel for clk_div_table

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phy:ti模块中发现数组越界问题。_get_table_maxdiv函数尝试访问clk_div_table数组超出界限。

CVSS 7.3 · High EPSS 0.30% · P22 Updated Aug 05, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 10

Vendor	Product	Version Range	Status
Linux	Linux	`091876cc355d6739e393efa4b3d07f451a6a035c< 3c75d1017cb362b6a4e0935746ef5da28250919f`	affected
		`091876cc355d6739e393efa4b3d07f451a6a035c< 7a360e546ad9e7c3fd53d6bb60348c660cd28f54`	affected
		`091876cc355d6739e393efa4b3d07f451a6a035c< 5b0c9569135a37348c1267c81e8b0274b21a86ed`	affected
		`091876cc355d6739e393efa4b3d07f451a6a035c< 6d1e6bcb31663ee83aaea1f171f3dbfe95dd4a69`	affected
		`5.6`	affected
		`< 5.6`	unaffected
		`5.10.101≤ 5.10.*`	unaffected
		`5.15.24≤ 5.15.*`	unaffected
… +2 more rows

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I. Basic Information for CVE-2022-48803

Vulnerability Information

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Vulnerability Title

phy: ti: Fix missing sentinel for clk_div_table

Source: CVE Program / CVE List V5

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: phy: ti: Fix missing sentinel for clk_div_table _get_table_maxdiv() tries to access "clk_div_table" array out of bound defined in phy-j721e-wiz.c. Add a sentinel entry to prevent the following global-out-of-bounds error reported by enabling KASAN. [ 9.552392] BUG: KASAN: global-out-of-bounds in _get_maxdiv+0xc0/0x148 [ 9.558948] Read of size 4 at addr ffff8000095b25a4 by task kworker/u4:1/38 [ 9.565926] [ 9.567441] CPU: 1 PID: 38 Comm: kworker/u4:1 Not tainted 5.16.0-116492-gdaadb3bd0e8d-dirty #360 [ 9.576242] Hardware name: Texas Instruments J721e EVM (DT) [ 9.581832] Workqueue: events_unbound deferred_probe_work_func [ 9.587708] Call trace: [ 9.590174] dump_backtrace+0x20c/0x218 [ 9.594038] show_stack+0x18/0x68 [ 9.597375] dump_stack_lvl+0x9c/0xd8 [ 9.601062] print_address_description.constprop.0+0x78/0x334 [ 9.606830] kasan_report+0x1f0/0x260 [ 9.610517] __asan_load4+0x9c/0xd8 [ 9.614030] _get_maxdiv+0xc0/0x148 [ 9.617540] divider_determine_rate+0x88/0x488 [ 9.622005] divider_round_rate_parent+0xc8/0x124 [ 9.626729] wiz_clk_div_round_rate+0x54/0x68 [ 9.631113] clk_core_determine_round_nolock+0x124/0x158 [ 9.636448] clk_core_round_rate_nolock+0x68/0x138 [ 9.641260] clk_core_set_rate_nolock+0x268/0x3a8 [ 9.645987] clk_set_rate+0x50/0xa8 [ 9.649499] cdns_sierra_phy_init+0x88/0x248 [ 9.653794] phy_init+0x98/0x108 [ 9.657046] cdns_pcie_enable_phy+0xa0/0x170 [ 9.661340] cdns_pcie_init_phy+0x250/0x2b0 [ 9.665546] j721e_pcie_probe+0x4b8/0x798 [ 9.669579] platform_probe+0x8c/0x108 [ 9.673350] really_probe+0x114/0x630 [ 9.677037] __driver_probe_device+0x18c/0x220 [ 9.681505] driver_probe_device+0xac/0x150 [ 9.685712] __device_attach_driver+0xec/0x170 [ 9.690178] bus_for_each_drv+0xf0/0x158 [ 9.694124] __device_attach+0x184/0x210 [ 9.698070] device_initial_probe+0x14/0x20 [ 9.702277] bus_probe_device+0xec/0x100 [ 9.706223] deferred_probe_work_func+0x124/0x180 [ 9.710951] process_one_work+0x4b0/0xbc0 [ 9.714983] worker_thread+0x74/0x5d0 [ 9.718668] kthread+0x214/0x230 [ 9.721919] ret_from_fork+0x10/0x20 [ 9.725520] [ 9.727032] The buggy address belongs to the variable: [ 9.732183] clk_div_table+0x24/0x440

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/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

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	091876cc355d6739e393efa4b3d07f451a6a035c ~ 3c75d1017cb362b6a4e0935746ef5da28250919f	-
Linux	Linux	5.6	-

II. Public POCs for CVE-2022-48803

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2022-48803

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Other References for CVE-2022-48803 (3)

https://www.cve.org/CVERecord?id=CVE-2022-48803

Same Patch Batch · Linux · 2024-07-16 · 98 CVEs total

CVE-2022-48790	9.8 CRITICAL	nvme: fix a possible use-after-free in controller reset during load
CVE-2022-48789	9.8 CRITICAL	nvme-tcp: fix possible use-after-free in transport error_recovery work
CVE-2022-48788	9.8 CRITICAL	nvme-rdma: fix possible use-after-free in transport error_recovery work
CVE-2022-48851	9.8 CRITICAL	staging: gdm724x: fix use after free in gdm_lte_rx()
CVE-2022-48829	9.1 CRITICAL	NFSD: Fix NFSv3 SETATTR/CREATE's handling of large file sizes
CVE-2022-48828	9.1 CRITICAL	NFSD: Fix ia_size underflow
CVE-2022-48864	8.8 HIGH	vdpa/mlx5: add validation for VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET command
CVE-2022-48830	8.8 HIGH	can: isotp: fix potential CAN frame reception race in isotp_rcv()
CVE-2022-48782	8.8 HIGH	mctp: fix use after free
CVE-2022-48785	8.8 HIGH	ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()
CVE-2022-48816	7.8 HIGH	SUNRPC: lock against ->sock changing during sysfs read
CVE-2022-48791	7.8 HIGH	scsi: pm8001: Fix use-after-free for aborted TMF sas_task
CVE-2024-41008	7.8 HIGH	drm/amdgpu: change vm->task_info handling
CVE-2022-48821	7.8 HIGH	misc: fastrpc: avoid double fput() on failed usercopy
CVE-2022-48822	7.8 HIGH	usb: f_fs: Fix use-after-free for epfile
CVE-2022-48801	7.8 HIGH	iio: buffer: Fix file related error handling in IIO_BUFFER_GET_FD_IOCTL
CVE-2022-48796	7.8 HIGH	iommu: Fix potential use-after-free during probe
CVE-2022-48792	7.8 HIGH	scsi: pm8001: Fix use-after-free for aborted SSP/STP sas_task
CVE-2022-48786	7.8 HIGH	vsock: remove vsock from connected table when connect is interrupted by a signal
CVE-2022-48787	7.8 HIGH	iwlwifi: fix use-after-free

Showing top 20 of 98 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux

Same vendor: Linux

V. Comments for CVE-2022-48803

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2022-48803— phy: ti: Fix missing sentinel for clk_div_table

Quick assessment

Possible ATT&CK Techniques 1 AI

Affected Version Matrix 10

I. Basic Information for CVE-2022-48803

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2022-48803

III. Intelligence Information for CVE-2022-48803

Other References for CVE-2022-48803 (3)

Same Patch Batch · Linux · 2024-07-16 · 98 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2022-48803

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