iio: adc: ade9000: fix NULL pointer dereference in clkout registration
In the Linux kernel, the following vulnerability has been resolved: iio: adc: ade9000: fix NULL pointer dereference in clkout registration ade9000_setup_clkout() passes NULL as the register address when registering a divider clock. During clock registration, the common clock framework calls clk_divider_recalc_rate(), which dereferences the address through readl(). As a result, probing an ADE9000 configured as a clock provider with an external input clock crashes. CLKOUT passes CLKIN through without changing its rate. Register it as a 1:1 fixed-factor clock, which does not require register access. This change does not affect the configuration using the internal clock, for which the driver does not register a clock provider.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 6.18.56, 7.2.10
- CVEs
- CVE-2026-98676
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 16:09 UTC · Revision 1
Source evidence
iio: adc: ade9000: fix NULL pointer dereference in clkout registration
core-osv · Original sourcePublished 18 Oct 2026, 15:45 UTC
In the Linux kernel, the following vulnerability has been resolved: iio: adc: ade9000: fix NULL pointer dereference in clkout registration ade9000_setup_clkout() passes NULL as the register address when registering a divider clock. During clock registration, the common clock framework calls clk_divider_recalc_rate(), which dereferences the address through readl(). As a result, probing an ADE9000 configured as a clock provider with an external input clock crashes. CLKOUT passes CLKIN through without changing its rate. Register it as a 1:1 fixed-factor clock, which does not require register access. This change does not affect the configuration using the internal clock, for which the driver does not register a clock provider.
osv:CVE-2026-98676
Kernel
Fixed versions: 6.18.56, 7.2.10
Complete source record
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"title": "iio: adc: ade9000: fix NULL pointer dereference in clkout registration",
"summary": "In the Linux kernel, the following vulnerability has been resolved: iio: adc: ade9000: fix NULL pointer dereference in clkout registration ade9000_setup_clkout() passes NULL as the register address when registering a divider clock. During clock registration, the common clock framework calls clk_divider_recalc_rate(), which dereferences the address through readl(). As a result, probing an ADE9000 configured as a clock provider with an external input clock crashes. CLKOUT passes CLKIN through without changing its rate. Register it as a 1:1 fixed-factor clock, which does not require register access. This change does not affect the configuration using the internal clock, for which the driver does not register a clock provider.",
"evidence": "osv:CVE-2026-98676",
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"modified": "2026-10-28T02:30:37.206732234Z",
"provider": "osv",
"references": [
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"https://nvd.nist.gov/vuln/detail/CVE-2026-98676",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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"source_id": "core-osv",
"document_id": 504506,
"published_at": "2026-10-18T15:45:31.286+00:00"
}