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	<DocumentTitle xml:lang="en">An update for kernel is now available for openEuler-22.03-LTS</DocumentTitle>
	<DocumentType>Security Advisory</DocumentType>
	<DocumentPublisher Type="Vendor">
		<ContactDetails>openeuler-security@openeuler.org</ContactDetails>
		<IssuingAuthority>openEuler security committee</IssuingAuthority>
	</DocumentPublisher>
	<DocumentTracking>
		<Identification>
			<ID>openEuler-SA-2023-1268</ID>
		</Identification>
		<Status>Final</Status>
		<Version>1.0</Version>
		<RevisionHistory>
			<Revision>
				<Number>1.0</Number>
				<Date>2023-04-28</Date>
				<Description>Initial</Description>
			</Revision>
		</RevisionHistory>
		<InitialReleaseDate>2023-04-28</InitialReleaseDate>
		<CurrentReleaseDate>2023-04-28</CurrentReleaseDate>
		<Generator>
			<Engine>openEuler SA Tool V1.0</Engine>
			<Date>2023-04-28</Date>
		</Generator>
	</DocumentTracking>
	<DocumentNotes>
		<Note Title="Synopsis" Type="General" Ordinal="1" xml:lang="en">kernel security update</Note>
		<Note Title="Summary" Type="General" Ordinal="2" xml:lang="en">An update for kernel is now available for openEuler-22.03-LTS.</Note>
		<Note Title="Description" Type="General" Ordinal="3" xml:lang="en">The Linux Kernel, the operating system core itself.

Security Fix(es):

A use-after-free flaw was found in xgene_hwmon_remove in drivers/hwmon/xgene-hwmon.c in the Hardware Monitoring Linux Kernel Driver (xgene-hwmon). This flaw could allow a local attacker to crash the system due to a race problem. This vulnerability could even lead to a kernel information leak problem.(CVE-2023-1855)

A use-after-free flaw was found in ndlc_remove in drivers/nfc/st-nci/ndlc.c in the Linux Kernel. This flaw could allow an attacker to crash the system due to a race problem.(CVE-2023-1990)

A use-after-free vulnerability in the Linux Kernel io_uring system can be exploited to achieve local privilege escalation.

The io_file_get_fixed function lacks the presence of ctx-&gt;uring_lock which can lead to a Use-After-Free vulnerability due a race condition with fixed files getting unregistered.

We recommend upgrading past commit da24142b1ef9fd5d36b76e36bab328a5b27523e8.

(CVE-2023-1872)

A race condition was found in the Linux kernel&apos;s RxRPC network protocol, within the processing of RxRPC bundles. This issue results from the lack of proper locking when performing operations on an object. This may allow an attacker to escalate privileges and execute arbitrary code in the context of the kernel.(CVE-2023-2006)

The Linux kernel before 6.2.9 has a race condition and resultant use-after-free in drivers/power/supply/da9150-charger.c if a physically proximate attacker unplugs a device.(CVE-2023-30772)</Note>
		<Note Title="Topic" Type="General" Ordinal="4" xml:lang="en">An update for kernel is now available for openEuler-22.03-LTS.

openEuler Security has rated this update as having a security impact of high. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.</Note>
		<Note Title="Severity" Type="General" Ordinal="5" xml:lang="en">High</Note>
		<Note Title="Affected Component" Type="General" Ordinal="6" xml:lang="en">kernel</Note>
	</DocumentNotes>
	<DocumentReferences>
		<Reference Type="Self">
			<URL>https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1268</URL>
		</Reference>
		<Reference Type="openEuler CVE">
			<URL>https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2023-1855</URL>
			<URL>https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2023-1990</URL>
			<URL>https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2023-1872</URL>
			<URL>https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2023-2006</URL>
			<URL>https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2023-30772</URL>
		</Reference>
		<Reference Type="Other">
			<URL>https://nvd.nist.gov/vuln/detail/CVE-2023-1855</URL>
			<URL>https://nvd.nist.gov/vuln/detail/CVE-2023-1990</URL>
			<URL>https://nvd.nist.gov/vuln/detail/CVE-2023-1872</URL>
			<URL>https://nvd.nist.gov/vuln/detail/CVE-2023-2006</URL>
			<URL>https://nvd.nist.gov/vuln/detail/CVE-2023-30772</URL>
		</Reference>
	</DocumentReferences>
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			<FullProductName ProductID="kernel-tools-devel-5.10.0-60.92.0.116" CPE="cpe:/a:openEuler:openEuler:22.03-LTS">kernel-tools-devel-5.10.0-60.92.0.116.oe2203.x86_64.rpm</FullProductName>
			<FullProductName ProductID="kernel-5.10.0-60.92.0.116" CPE="cpe:/a:openEuler:openEuler:22.03-LTS">kernel-5.10.0-60.92.0.116.oe2203.x86_64.rpm</FullProductName>
			<FullProductName ProductID="kernel-tools-debuginfo-5.10.0-60.92.0.116" CPE="cpe:/a:openEuler:openEuler:22.03-LTS">kernel-tools-debuginfo-5.10.0-60.92.0.116.oe2203.x86_64.rpm</FullProductName>
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	<Vulnerability Ordinal="1" xmlns="http://www.icasi.org/CVRF/schema/vuln/1.1">
		<Notes>
			<Note Title="Vulnerability Description" Type="General" Ordinal="1" xml:lang="en">A use-after-free flaw was found in xgene_hwmon_remove in drivers/hwmon/xgene-hwmon.c in the Hardware Monitoring Linux Kernel Driver (xgene-hwmon). This flaw could allow a local attacker to crash the system due to a race problem. This vulnerability could even lead to a kernel information leak problem.</Note>
		</Notes>
		<ReleaseDate>2023-04-28</ReleaseDate>
		<CVE>CVE-2023-1855</CVE>
		<ProductStatuses>
			<Status Type="Fixed">
				<ProductID>openEuler-22.03-LTS</ProductID>
			</Status>
		</ProductStatuses>
		<Threats>
			<Threat Type="Impact">
				<Description>Medium</Description>
			</Threat>
		</Threats>
		<CVSSScoreSets>
			<ScoreSet>
				<BaseScore>6.3</BaseScore>
				<Vector>AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H</Vector>
			</ScoreSet>
		</CVSSScoreSets>
		<Remediations>
			<Remediation Type="Vendor Fix">
				<Description>kernel security update</Description>
				<DATE>2023-04-28</DATE>
				<URL>https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1268</URL>
			</Remediation>
		</Remediations>
	</Vulnerability>
	<Vulnerability Ordinal="2" xmlns="http://www.icasi.org/CVRF/schema/vuln/1.1">
		<Notes>
			<Note Title="Vulnerability Description" Type="General" Ordinal="2" xml:lang="en">A use-after-free flaw was found in ndlc_remove in drivers/nfc/st-nci/ndlc.c in the Linux Kernel. This flaw could allow an attacker to crash the system due to a race problem.</Note>
		</Notes>
		<ReleaseDate>2023-04-28</ReleaseDate>
		<CVE>CVE-2023-1990</CVE>
		<ProductStatuses>
			<Status Type="Fixed">
				<ProductID>openEuler-22.03-LTS</ProductID>
			</Status>
		</ProductStatuses>
		<Threats>
			<Threat Type="Impact">
				<Description>Medium</Description>
			</Threat>
		</Threats>
		<CVSSScoreSets>
			<ScoreSet>
				<BaseScore>4.7</BaseScore>
				<Vector>AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H</Vector>
			</ScoreSet>
		</CVSSScoreSets>
		<Remediations>
			<Remediation Type="Vendor Fix">
				<Description>kernel security update</Description>
				<DATE>2023-04-28</DATE>
				<URL>https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1268</URL>
			</Remediation>
		</Remediations>
	</Vulnerability>
	<Vulnerability Ordinal="3" xmlns="http://www.icasi.org/CVRF/schema/vuln/1.1">
		<Notes>
			<Note Title="Vulnerability Description" Type="General" Ordinal="3" xml:lang="en">A use-after-free vulnerability in the Linux Kernel io_uring system can be exploited to achieve local privilege escalation.

The io_file_get_fixed function lacks the presence of ctx-&gt;uring_lock which can lead to a Use-After-Free vulnerability due a race condition with fixed files getting unregistered.

We recommend upgrading past commit da24142b1ef9fd5d36b76e36bab328a5b27523e8.

</Note>
		</Notes>
		<ReleaseDate>2023-04-28</ReleaseDate>
		<CVE>CVE-2023-1872</CVE>
		<ProductStatuses>
			<Status Type="Fixed">
				<ProductID>openEuler-22.03-LTS</ProductID>
			</Status>
		</ProductStatuses>
		<Threats>
			<Threat Type="Impact">
				<Description>High</Description>
			</Threat>
		</Threats>
		<CVSSScoreSets>
			<ScoreSet>
				<BaseScore>7.0</BaseScore>
				<Vector>AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H</Vector>
			</ScoreSet>
		</CVSSScoreSets>
		<Remediations>
			<Remediation Type="Vendor Fix">
				<Description>kernel security update</Description>
				<DATE>2023-04-28</DATE>
				<URL>https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1268</URL>
			</Remediation>
		</Remediations>
	</Vulnerability>
	<Vulnerability Ordinal="4" xmlns="http://www.icasi.org/CVRF/schema/vuln/1.1">
		<Notes>
			<Note Title="Vulnerability Description" Type="General" Ordinal="4" xml:lang="en">A race condition was found in the Linux kernel&apos;s RxRPC network protocol, within the processing of RxRPC bundles. This issue results from the lack of proper locking when performing operations on an object. This may allow an attacker to escalate privileges and execute arbitrary code in the context of the kernel.</Note>
		</Notes>
		<ReleaseDate>2023-04-28</ReleaseDate>
		<CVE>CVE-2023-2006</CVE>
		<ProductStatuses>
			<Status Type="Fixed">
				<ProductID>openEuler-22.03-LTS</ProductID>
			</Status>
		</ProductStatuses>
		<Threats>
			<Threat Type="Impact">
				<Description>High</Description>
			</Threat>
		</Threats>
		<CVSSScoreSets>
			<ScoreSet>
				<BaseScore>7.8</BaseScore>
				<Vector>AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</Vector>
			</ScoreSet>
		</CVSSScoreSets>
		<Remediations>
			<Remediation Type="Vendor Fix">
				<Description>kernel security update</Description>
				<DATE>2023-04-28</DATE>
				<URL>https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1268</URL>
			</Remediation>
		</Remediations>
	</Vulnerability>
	<Vulnerability Ordinal="5" xmlns="http://www.icasi.org/CVRF/schema/vuln/1.1">
		<Notes>
			<Note Title="Vulnerability Description" Type="General" Ordinal="5" xml:lang="en">The Linux kernel before 6.2.9 has a race condition and resultant use-after-free in drivers/power/supply/da9150-charger.c if a physically proximate attacker unplugs a device.</Note>
		</Notes>
		<ReleaseDate>2023-04-28</ReleaseDate>
		<CVE>CVE-2023-30772</CVE>
		<ProductStatuses>
			<Status Type="Fixed">
				<ProductID>openEuler-22.03-LTS</ProductID>
			</Status>
		</ProductStatuses>
		<Threats>
			<Threat Type="Impact">
				<Description>Medium</Description>
			</Threat>
		</Threats>
		<CVSSScoreSets>
			<ScoreSet>
				<BaseScore>6.4</BaseScore>
				<Vector>AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H</Vector>
			</ScoreSet>
		</CVSSScoreSets>
		<Remediations>
			<Remediation Type="Vendor Fix">
				<Description>kernel security update</Description>
				<DATE>2023-04-28</DATE>
				<URL>https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1268</URL>
			</Remediation>
		</Remediations>
	</Vulnerability>
</cvrfdoc>