CVE-2024-58081 (GCVE-0-2024-58081)

Vulnerability from cvelistv5 – Published: 2025-03-06 16:13 – Updated: 2025-10-01 19:36
VLAI?
Title
clk: mmp2: call pm_genpd_init() only after genpd.name is set
Summary
In the Linux kernel, the following vulnerability has been resolved: clk: mmp2: call pm_genpd_init() only after genpd.name is set Setting the genpd's struct device's name with dev_set_name() is happening within pm_genpd_init(). If it remains NULL, things can blow up later, such as when crafting the devfs hierarchy for the power domain: Unable to handle kernel NULL pointer dereference at virtual address 00000000 when read ... Call trace: strlen from start_creating+0x90/0x138 start_creating from debugfs_create_dir+0x20/0x178 debugfs_create_dir from genpd_debug_add.part.0+0x4c/0x144 genpd_debug_add.part.0 from genpd_debug_init+0x74/0x90 genpd_debug_init from do_one_initcall+0x5c/0x244 do_one_initcall from kernel_init_freeable+0x19c/0x1f4 kernel_init_freeable from kernel_init+0x1c/0x12c kernel_init from ret_from_fork+0x14/0x28 Bisecting tracks this crash back to commit 899f44531fe6 ("pmdomain: core: Add GENPD_FLAG_DEV_NAME_FW flag"), which exchanges use of genpd->name with dev_name(&genpd->dev) in genpd_debug_add.part().
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 899f44531fe6cac4b024710fec647ecc127724b8 , < eca01d5911fb34218d10a58d8d9534b758c8fd0a (git)
Affected: 899f44531fe6cac4b024710fec647ecc127724b8 , < 763517124e27b07fa300b486d7d13c5d563a215e (git)
Affected: 899f44531fe6cac4b024710fec647ecc127724b8 , < e24b15d4704dcb73920c3d18a6157abd18df08c1 (git)
Affected: 94a03c0400c9696735184c7d76630b818d0f5cca (git)
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    Linux Linux Affected: 6.12
Unaffected: 0 , < 6.12 (semver)
Unaffected: 6.12.14 , ≤ 6.12.* (semver)
Unaffected: 6.13.3 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: mmp2: call pm_genpd_init() only after genpd.name is set\n\nSetting the genpd\u0027s struct device\u0027s name with dev_set_name() is\nhappening within pm_genpd_init(). If it remains NULL, things can blow up\nlater, such as when crafting the devfs hierarchy for the power domain:\n\n  Unable to handle kernel NULL pointer dereference at virtual address 00000000 when read\n  ...\n  Call trace:\n   strlen from start_creating+0x90/0x138\n   start_creating from debugfs_create_dir+0x20/0x178\n   debugfs_create_dir from genpd_debug_add.part.0+0x4c/0x144\n   genpd_debug_add.part.0 from genpd_debug_init+0x74/0x90\n   genpd_debug_init from do_one_initcall+0x5c/0x244\n   do_one_initcall from kernel_init_freeable+0x19c/0x1f4\n   kernel_init_freeable from kernel_init+0x1c/0x12c\n   kernel_init from ret_from_fork+0x14/0x28\n\nBisecting tracks this crash back to commit 899f44531fe6 (\"pmdomain: core:\nAdd GENPD_FLAG_DEV_NAME_FW flag\"), which exchanges use of genpd-\u003ename\nwith dev_name(\u0026genpd-\u003edev) in genpd_debug_add.part()."
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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