Fixed packages 12
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-305 | 0:1-4.el8 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-305_10_2 | 0:1-1.el8_4 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-305_10_2-debuginfo | 0:1-1.el8_4 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-305_10_2-debugsource | 0:1-1.el8_4 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-305_3_1 | 0:1-3.el8_4 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-305_3_1-debuginfo | 0:1-3.el8_4 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-305_3_1-debugsource | 0:1-3.el8_4 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-305_7_1 | 0:1-2.el8_4 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-305_7_1-debuginfo | 0:1-2.el8_4 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-305_7_1-debugsource | 0:1-2.el8_4 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-305-debuginfo | 0:1-4.el8 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-305-debugsource | 0:1-4.el8 |
Vulnerabilities 3
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High 8.3
Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE
A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space
KEV Oct 6, 2025 -
High 8.7
Improper memory handling in Linux KVM
An issue was discovered in Linux: KVM through Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to …
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Unscored —
.A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in th…
References
-
article
https://access.redhat.com/security/updates/classification/#important
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report
https://bugzilla.redhat.com/show_bug.cgi?id=1965461
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report
https://bugzilla.redhat.com/show_bug.cgi?id=1971651
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report
https://bugzilla.redhat.com/show_bug.cgi?id=1980101
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advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3044.json
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report
https://access.redhat.com/security/cve/CVE-2021-3609
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advisory
https://www.cve.org/CVERecord?id=CVE-2021-3609
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2021-3609
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article
https://www.openwall.com/lists/oss-security/2021/06/19/1
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report
https://access.redhat.com/security/cve/CVE-2021-22543
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advisory
https://www.cve.org/CVERecord?id=CVE-2021-22543
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2021-22543
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article
https://github.com/google/security-research/security/advisories/GHSA-7wq5-phmq-m584
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report
https://access.redhat.com/security/cve/CVE-2021-22555
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advisory
https://www.cve.org/CVERecord?id=CVE-2021-22555
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2021-22555
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article
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=b29c457a6511435960115c0f548c4360d5f4801d
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article
https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528
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article
https://www.cisa.gov/known-exploited-vulnerabilities-catalog