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SUSE 2026 1840-2 Important Kernel Update CVE-2026-43284 CVE-2026

SUSE 2026 1840-2 Important Kernel Update CVE-2026-43284 CVE-2026

Linuxsecurity •LinuxSecurity Advisories • May 13, 2026

## The SUSE Linux Enterprise 15 SP6 kernel was updated to fix the following issue: * CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449). * CVE-2026-43500: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present (bsc#1264450).

## The SUSE Linux Enterprise 15 SP6 kernel was updated to fix the following issue: * CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449). * CVE-2026-43500: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present (bsc#1264450).

* bsc#1264449 * bsc#1264450 Cross- * CVE-2026-43284 * CVE-2026-43500 CVSS scores: * CVE-2026-43284 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H * CVE-2026-43284 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H * CVE-2026-43284 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H * CVE-2026-43500 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H * CVE-2026-43500 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-43500 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Affected Products: * openSUSE Leap 15.6 An update that solves two vulnerabilities can now be installed. ## * * Read the Full Advisory

* CVE-2026-43284 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

* CVE-2026-43284 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

* CVE-2026-43284 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

* CVE-2026-43500 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

* CVE-2026-43500 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-43500 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

An update that solves two vulnerabilities can now be installed.

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Read the Full Advisory