Summary
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- Network drivers;
- Netfilter;
(CVE-2023-52927, CVE-2023-52664)
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 20.04 LTS 20.04:LTS | linux-azure-5.15 | 5.15.0-1088.97~20.04.1 |
| Ubuntu · 20.04 LTS 20.04:LTS | linux-azure-fde-5.15 | 5.15.0-1088.97~20.04.1.1 |
| Ubuntu · 22.04 LTS 22.04:LTS | linux-azure | 5.15.0-1088.97 |
| Ubuntu · 22.04 LTS 22.04:LTS | linux-azure-fde | 5.15.0-1088.97.1 |
Vulnerabilities 2
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High 7.8
net: atlantic: eliminate double free in error handling logic
In the Linux kernel, the following vulnerability has been resolved: net: atlantic: eliminate double free in error handling logic Driver has a logic leak in ring data allocation/free, where aq_ring_free could be called multiple times on same ring, if system is…
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High 7.8CVE-2023-52927 Public exploit
netfilter: allow exp not to be removed in nf_ct_find_expectation
In the Linux kernel, the following vulnerability has been resolved: netfilter: allow exp not to be removed in nf_ct_find_expectation Currently nf_conntrack_in() calling nf_ct_find_expectation() will remove the exp from the hash table. However, in some scenari…