# ALAS2023-2023-228: Security update for 19 packages

ALAS2023-2023-228, released June 21, 2023, fixes 44 CVEs across 19 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/alas2023-2023-228
- Platform: Linux
- Released: Jun 21, 2023
- Priority: Urgent (Closes CVE-2023-54184, rated Critical)
- CVEs: 44, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://alas.aws.amazon.com/AL2023/ALAS-2023-228.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [bpftool](https://patchblox.com/security/data/product/linux/bpftool.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [bpftool-debuginfo](https://patchblox.com/security/data/product/linux/bpftool-debuginfo.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [kernel-debuginfo](https://patchblox.com/security/data/product/linux/kernel-debuginfo.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [kernel-debuginfo-common-aarch64](https://patchblox.com/security/data/product/linux/kernel-debuginfo-common-aarch64.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [kernel-debuginfo-common-x86_64](https://patchblox.com/security/data/product/linux/kernel-debuginfo-common-x86-64.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [kernel-headers](https://patchblox.com/security/data/product/linux/kernel-headers.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [kernel-libbpf](https://patchblox.com/security/data/product/linux/kernel-libbpf.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [kernel-libbpf-devel](https://patchblox.com/security/data/product/linux/kernel-libbpf-devel.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [kernel-libbpf-static](https://patchblox.com/security/data/product/linux/kernel-libbpf-static.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [kernel-livepatch-6.1.34-56.100](https://patchblox.com/security/data/product/linux/kernel-livepatch-6.1.34-56.100.md) | amzn 2023 | 1.0-0.amzn2023 |
| [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [kernel-tools-debuginfo](https://patchblox.com/security/data/product/linux/kernel-tools-debuginfo.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [kernel-tools-devel](https://patchblox.com/security/data/product/linux/kernel-tools-devel.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [perf](https://patchblox.com/security/data/product/linux/perf.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [perf-debuginfo](https://patchblox.com/security/data/product/linux/perf-debuginfo.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |
| [python3-perf-debuginfo](https://patchblox.com/security/data/product/linux/python3-perf-debuginfo.md) | amzn 2023 | 6.1.34-56.100.amzn2023 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-54184](https://patchblox.com/security/data/cve/CVE-2023-54184.md) | Urgent | linux: In the Linux kernel, the following vulnerability has been resolved:  scsi: target: iscsit: Free cmds before session f... | 9.8 | 0.0057 |  |
| [CVE-2023-54269](https://patchblox.com/security/data/cve/CVE-2023-54269.md) | Urgent | linux: In the Linux kernel, the following vulnerability has been resolved:  SUNRPC: double free xprt_ctxt while still in use... | 9.8 | 0.0055 |  |
| [CVE-2023-2156](https://patchblox.com/security/data/cve/CVE-2023-2156.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: n... | 7.5 | 0.0618 |  |
| [CVE-2023-54004](https://patchblox.com/security/data/cve/CVE-2023-54004.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  udplite: Fix NULL pointer dereference in __sk_me... | 8.0 | 0.0059 |  |
| [CVE-2023-53705](https://patchblox.com/security/data/cve/CVE-2023-53705.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  ipv6: Fix out-of-bounds access in ipv6_find_tlv(... | 8.2 | 0.0056 |  |
| [CVE-2023-35788](https://patchblox.com/security/data/cve/CVE-2023-35788.md) | High | linux: An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7 | 7.8 | 0.0052 |  |
| [CVE-2023-3090](https://patchblox.com/security/data/cve/CVE-2023-3090.md) | High | kernel-core: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: i... | 7.8 | 0.0048 |  |
| [CVE-2023-3567](https://patchblox.com/security/data/cve/CVE-2023-3567.md) | High | linux: A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel | 8.0 | 0.0042 |  |
| [CVE-2023-53853](https://patchblox.com/security/data/cve/CVE-2023-53853.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  netlink: annotate accesses to nlk->cb_running  B... | n/a | 0.0026 |  |
| [CVE-2023-54244](https://patchblox.com/security/data/cve/CVE-2023-54244.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  For more de... | 8.0 | 0.0021 |  |
| [CVE-2023-54218](https://patchblox.com/security/data/cve/CVE-2023-54218.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  net: Fix load-tearing on sk->sk_stamp in sock_re... | n/a | 0.0021 |  |
| [CVE-2023-54086](https://patchblox.com/security/data/cve/CVE-2023-54086.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  bpf: Add preempt_count_{sub,add} into btf id den... | n/a | 0.0021 |  |
| [CVE-2023-54226](https://patchblox.com/security/data/cve/CVE-2023-54226.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  af_unix: Fix data races around sk->sk_shutdown | n/a | 0.0021 |  |
| [CVE-2023-54012](https://patchblox.com/security/data/cve/CVE-2023-54012.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  net: fix stack overflow when LRO is disabled for... | 7.8 | 0.0017 |  |
| [CVE-2022-50240](https://patchblox.com/security/data/cve/CVE-2022-50240.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  android: binder: stop saving a pointer to the VM... | 7.8 | 0.0017 |  |
| [CVE-2023-53484](https://patchblox.com/security/data/cve/CVE-2023-53484.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  lib: cpu_rmap: Avoid use after free on rmap->obj... | 7.8 | 0.0016 |  |
| [CVE-2023-54116](https://patchblox.com/security/data/cve/CVE-2023-54116.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  drm/fbdev-generic: prohibit potential out-of-bou... | 7.8 | 0.0016 |  |
| [CVE-2023-53182](https://patchblox.com/security/data/cve/CVE-2023-53182.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  For more de... | 8.0 | 0.0016 |  |
| [CVE-2023-53483](https://patchblox.com/security/data/cve/CVE-2023-53483.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  For more de... | 8.0 | 0.0016 |  |
| [CVE-2023-54157](https://patchblox.com/security/data/cve/CVE-2023-54157.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  binder: fix UAF of alloc->vma in race with munma... | 7.8 | 0.0015 |  |
| [CVE-2023-54200](https://patchblox.com/security/data/cve/CVE-2023-54200.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  netfilter: nf_tables: always release netdev hook... | 7.8 | 0.0015 |  |
| [CVE-2023-53747](https://patchblox.com/security/data/cve/CVE-2023-53747.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  vc_screen: reload load of struct vc_data pointer... | 7.8 | 0.0015 |  |
| [CVE-2023-53513](https://patchblox.com/security/data/cve/CVE-2023-53513.md) | High | kernel-rt-debug: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 7.6 | 0.0015 |  |
| [CVE-2023-53576](https://patchblox.com/security/data/cve/CVE-2023-53576.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  For more de... | 8.0 | 0.0015 |  |
| [CVE-2023-53178](https://patchblox.com/security/data/cve/CVE-2023-53178.md) | High | mm: fix zswap writeback race condition | 7.3 | 0.0012 |  |
| [CVE-2022-50338](https://patchblox.com/security/data/cve/CVE-2022-50338.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  binder: fix UAF of alloc->vma in race with munma... | n/a | n/a |  |
| [CVE-2023-53833](https://patchblox.com/security/data/cve/CVE-2023-53833.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: G... | 5.5 | 0.0026 |  |
| [CVE-2023-54114](https://patchblox.com/security/data/cve/CVE-2023-54114.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: p... | 5.5 | 0.0022 |  |
| [CVE-2023-53716](https://patchblox.com/security/data/cve/CVE-2023-53716.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: n... | 5.5 | 0.0021 |  |
| [CVE-2023-54160](https://patchblox.com/security/data/cve/CVE-2023-54160.md) | Routine | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: G... | 4.4 | 0.0021 |  |
| [CVE-2023-54268](https://patchblox.com/security/data/cve/CVE-2023-54268.md) | Routine | kernel-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: b... | 2.5 | 0.0021 |  |
| [CVE-2023-54242](https://patchblox.com/security/data/cve/CVE-2023-54242.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: G... | 5.5 | 0.0020 |  |
| [CVE-2023-54021](https://patchblox.com/security/data/cve/CVE-2023-54021.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: G... | 5.5 | 0.0020 |  |
| [CVE-2023-54033](https://patchblox.com/security/data/cve/CVE-2023-54033.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: G... | 5.5 | 0.0019 |  |
| [CVE-2023-53176](https://patchblox.com/security/data/cve/CVE-2023-53176.md) | Routine | kernel-64k-debug: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: b... | 5.5 | 0.0017 |  |
| [CVE-2023-53499](https://patchblox.com/security/data/cve/CVE-2023-53499.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: n... | 5.5 | 0.0016 |  |
| [CVE-2023-53503](https://patchblox.com/security/data/cve/CVE-2023-53503.md) | Routine | kernel-64k-debug: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: b... | 5.7 | 0.0016 |  |
| [CVE-2023-53419](https://patchblox.com/security/data/cve/CVE-2023-53419.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved:  rcu: Protect rcu_print_task_exp_stall() ->exp_ta... | 5.5 | 0.0016 |  |
| [CVE-2023-53620](https://patchblox.com/security/data/cve/CVE-2023-53620.md) | Routine | kernel-abi-stablelists: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: t... | 5.5 | 0.0016 |  |
| [CVE-2023-53566](https://patchblox.com/security/data/cve/CVE-2023-53566.md) | Routine | kernel-rt: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: n... | 6.4 | 0.0015 |  |
| [CVE-2023-53433](https://patchblox.com/security/data/cve/CVE-2023-53433.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: n... | 5.5 | 0.0015 |  |
| [CVE-2023-53383](https://patchblox.com/security/data/cve/CVE-2023-53383.md) | Routine | irqchip/gicv3: Workaround for NVIDIA erratum T241-FABRIC-4 | 5.5 | 0.0015 |  |
| [CVE-2023-53439](https://patchblox.com/security/data/cve/CVE-2023-53439.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved:  net: skb_partial_csum_set() fix against transpor... | 5.5 | 0.0015 |  |
| [CVE-2023-53685](https://patchblox.com/security/data/cve/CVE-2023-53685.md) | Routine | linux: In the Linux kernel, the following vulnerability has been resolved:  tun: Fix memory leak for detached NAPI queue | 5.5 | 0.0015 |  |

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