Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-513_5_1 | 0:1-1.el8_9 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-513_5_1-debuginfo | 0:1-1.el8_9 |
| Red Hat · RHEL 8 enterprise_linux:8::baseos | kpatch-patch-4_18_0-513_5_1-debugsource | 0:1-1.el8_9 |
Vulnerabilities 3
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Critical 10.0CVE-2023-2163 Public exploit
Incorrect Verifier Branch Pruning Logic Leads To Arbitrary Read/Write In Linux Kernel and Lateral Privilege Escalation
Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.
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High 8.8CVE-2023-5178 Public exploit
Kernel: use after free in nvmet_tcp_free_crypto in nvme
A use-after-free vulnerability was found in drivers/nvme/target/tcp.c` in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel. This issue may allow a malicious user to cause a use-after-free and double-free problem, whic…
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High 7.8
Kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags
An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate …
References
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article
https://access.redhat.com/security/updates/classification/#important
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2224048
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2240249
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2241924
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advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_7554.json
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report
https://access.redhat.com/security/cve/CVE-2023-2163
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advisory
https://www.cve.org/CVERecord?id=CVE-2023-2163
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-2163
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article
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71b547f561247897a0a14f3082730156c0533fed
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report
https://access.redhat.com/security/cve/CVE-2023-3812
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advisory
https://www.cve.org/CVERecord?id=CVE-2023-3812
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-3812
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article
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=363a5328f4b0
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report
https://access.redhat.com/security/cve/CVE-2023-5178
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advisory
https://www.cve.org/CVERecord?id=CVE-2023-5178
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-5178
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article
https://lore.kernel.org/linux-nvme/20231002105428.226515-1-sagi@grimberg.me/