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:
- Watchdog drivers;
- Netfilter;
- Memory management;
- Network traffic control;
(CVE-2024-27397, CVE-2024-38630, CVE-2024-45016, CVE-2024-26960)
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 20.04 LTS 20.04:LTS | linux-azure | 5.4.0-1139.146 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux-azure-5.4 | 5.4.0-1139.146~18.04.1 |
Vulnerabilities 4
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High 7.8
netfilter: nf_tables: use timestamp to check for set element timeout
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: use timestamp to check for set element timeout Add a timestamp field at the beginning of the transaction, store it in the nftables per-netns area. Update set backend .in…
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High 7.8
netem: fix return value if duplicate enqueue fails
In the Linux kernel, the following vulnerability has been resolved: netem: fix return value if duplicate enqueue fails There is a bug in netem_enqueue() introduced by commit 5845f706388a ("net: netem: fix skb length BUG_ON in __skb_to_sgvec") that can lead to…
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High 7.0
mm: swap: fix race between free_swap_and_cache() and swapoff()
In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between free_swap_and_cache() and swapoff() There was previously a theoretical window where swapoff() could run and teardown a swap_info_struct while a call to free_swap_an…
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Unscored —
watchdog: cpu5wdt.c: Fix use-after-free bug caused by cpu5wdt_trigger
In the Linux kernel, the following vulnerability has been resolved: watchdog: cpu5wdt.c: Fix use-after-free bug caused by cpu5wdt_trigger When the cpu5wdt module is removing, the origin code uses del_timer() to de-activate the timer. If the timer handler is r…