clk: meson: align gxbb_32k_clk_sel number of parents with actual count
In the Linux kernel, the following vulnerability has been resolved: clk: meson: align gxbb_32k_clk_sel number of parents with actual count The following out-of-bounds read has been observed by Christian on a GXBB WeTek Hub: ================================================================== BUG: KASAN: global-out-of-bounds in __clk_register+0x1b70/0x2418 Read of size 8 at addr ffffd66320cf88e0 by task swapper/0/1 CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 7.0.0-rc5 #1 PREEMPT Hardware name: WeTek Hub (DT) Call trace: show_stack+0x14/0x20 (C) dump_stack_lvl+0x74/0x94 print_report+0x164/0x4b0 kasan_report+0x98/0xd8 __asan_report_load8_noabort+0x1c/0x24 __clk_register+0x1b70/0x2418 devm_clk_hw_register+0x74/0x15c meson_clkc_init+0xd4/0x20c meson_clkc_syscon_probe+0x5c/0x94 platform_probe+0xbc/0x17c really_probe+0x184/0x844 __driver_probe_device+0x154/0x35c driver_probe_device+0x60/0x188 __driver_attach+0x168/0x4a0 bus_for_each_dev+0xec/0x180 driver_attach+0x38/0x58 bus_add_driver+0x238/0x4c0 driver_register+0x150/0x388 __platform_driver_register+0x54/0x7c gxbb_clkc_driver_init+0x18/0x20 do_one_initcall+0xb8/0x340 kernel_init_freeable+0x49c/0x52c kernel_init+0x24/0x148 ret_from_fork+0x10/0x20 The buggy address belongs to the variable: gxbb_32k_clk_parents+0x60/0x400 The buggy address belongs to a vmalloc virtual mapping The buggy address belongs to the physical page: Memory state around the buggy address: ffffd66320cf8780: 00 00 00 00 f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 ffff
CVE-2026-89947
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-89947
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "b9778cd803b330b8d7a9b523743c35093454b77f",
"lessThan": "c86214e6178c38a0eff39110a4e92b824f5dd403",
"versionType": "git"
},
{
"status": "affected",
"version": "f95e0f36e592e17a24ba4f56c355946448f84291",
"lessThan": "8b2f7a411e7ceaef268355c2150c22ee3f509c3b",
"versionType": "git"
},
{
"status": "affected",
"version": "6ded8c22af4700bbf91da24ac025f9d05b879267",
"lessThan": "1e509a6707d2fd9da79bdfa24742661b34562bfd",
"versionType": "git"
},
{
"status": "affected",
"version": "7061afacc89dec3f02f7412653b83f148a0c646b",
"lessThan": "404079d124d75a5da16322acc53d3ffc50b4ec68",
"versionType": "git"
},
{
"status": "affected",
"version": "4d32504f7ae951600e216aac4e04c81b02421a9d",
"lessThan": "f6ff0e6995dbff5cb145d7795c8f0af9c168094a",
"versionType": "git"
},
{
"status": "affected",
"version": "7915d7d5407c026fa9343befb4d3343f7a345f97",
"lessThan": "4582949b7badcb91bb537ca522d69b8a35131e72",
"versionType": "git"
},
{
"status": "affected",
"version": "7915d7d5407c026fa9343befb4d3343f7a345f97",
"lessThan": "bf85bd6e550c17ffa585606fcc18eb5b7c95bbce",
"versionType": "git"
},
{
"status": "affected",
"version": "7915d7d5407c026fa9343befb4d3343f7a345f97",
"lessThan": "628b6fee9fca292f12d07f0f1bcf1edefa949d81",
"versionType": "git"
},
{
"status": "affected",
"version": "450a1d9eac98886c7d19586dd10e72a4eaf8e1bc",
"versionType": "git"
},
{
"status": "affected",
"version": "f18b09c998002ed6a67d1a235f3941a2662f1036",
"versionType": "git"
},
{
"status": "affected",
"version": "1eb7a2f3e25075b2dc9b10c94616b066f80e79ee",
"versionType": "git"
},
{
"status": "affected",
"version": "5.10.236",
"lessThan": "5.10.270",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.15.180",
"lessThan": "5.15.221",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.1.134",
"lessThan": "6.1.188",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.6.87",
"lessThan": "6.6.157",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.12.23",
"lessThan": "6.12.110",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.4.292",
"lessThan": "5.5",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.13.11",
"lessThan": "6.14",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.14.2",
"lessThan": "6.15",
"versionType": "semver"
}
],
"programFiles": [
"drivers/clk/meson/gxbb.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.15"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.15",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.270",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.221",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.188",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.157",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.110",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.51",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.5",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/clk/meson/gxbb.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-89947
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #36390 · Revision 1
- Added to Heist Feed
- Publisher date