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CVE-2023-53030— octeontx2-pf: Avoid use of GFP_KERNEL in atomic context

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于octeontx2-pf在原子上下文中错误使用GFP_KERNEL。

AI Predicted 5.3 Difficulty: Theoretical EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 7

VendorProduct Version RangeStatus
Linux Linux 6ea5273c71dd2d07c0a2459594eb34bc087939f7< 2827c4eb429db64befdca11362e2b1c5f524f6ba affected
667ce030bdfb62a86266444b2c3fd6ab98b9df9b< 1eb57b87f106c90cee6b2a56a10f2e29c7a25f3e affected
4af1b64f80fbe1275fb02c5f1c0cef099a4a231f< 87b93b678e95c7d93fe6a55b0e0fbda26d8c7760 affected
b754dc7c933dd9464223f64b10d33d68ab086cc6 affected
6.0.19< 6.1 affected
5.15.87< 5.15.91 affected
6.1.5< 6.1.8 affected
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I. Basic Information for CVE-2023-53030

Vulnerability Information
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Vulnerability Title
octeontx2-pf: Avoid use of GFP_KERNEL in atomic context
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Avoid use of GFP_KERNEL in atomic context Using GFP_KERNEL in preemption disable context, causing below warning when CONFIG_DEBUG_ATOMIC_SLEEP is enabled. [ 32.542271] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 [ 32.550883] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0 [ 32.558707] preempt_count: 1, expected: 0 [ 32.562710] RCU nest depth: 0, expected: 0 [ 32.566800] CPU: 3 PID: 1 Comm: swapper/0 Tainted: G W 6.2.0-rc2-00269-gae9dcb91c606 #7 [ 32.576188] Hardware name: Marvell CN106XX board (DT) [ 32.581232] Call trace: [ 32.583670] dump_backtrace.part.0+0xe0/0xf0 [ 32.587937] show_stack+0x18/0x30 [ 32.591245] dump_stack_lvl+0x68/0x84 [ 32.594900] dump_stack+0x18/0x34 [ 32.598206] __might_resched+0x12c/0x160 [ 32.602122] __might_sleep+0x48/0xa0 [ 32.605689] __kmem_cache_alloc_node+0x2b8/0x2e0 [ 32.610301] __kmalloc+0x58/0x190 [ 32.613610] otx2_sq_aura_pool_init+0x1a8/0x314 [ 32.618134] otx2_open+0x1d4/0x9d0 To avoid use of GFP_ATOMIC for memory allocation, disable preemption after all memory allocation is done.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于octeontx2-pf在原子上下文中错误使用GFP_KERNEL。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 6ea5273c71dd2d07c0a2459594eb34bc087939f7 ~ 2827c4eb429db64befdca11362e2b1c5f524f6ba -
Linux Linux 5.15.87 ~ 5.15.91 -

II. Public POCs for CVE-2023-53030

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III. Intelligence Information for CVE-2023-53030

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Same Patch Batch · Linux · 2025-03-27 · 124 CVEs total

CVE-2023-53006 9.8 CRITICAL cifs: Fix oops due to uncleared server->smbd_conn in reconnect
CVE-2025-21876 8.8 HIGH iommu/vt-d: Fix suspicious RCU usage
CVE-2025-21890 8.2 HIGH idpf: fix checksums set in idpf_rx_rsc()
CVE-2023-52983 7.8 HIGH block, bfq: fix uaf for bfqq in bic_set_bfqq()
CVE-2023-52930 7.8 HIGH drm/i915: Fix potential bit_17 double-free
CVE-2023-52931 7.8 HIGH drm/i915: Avoid potential vm use-after-free
CVE-2023-52934 7.8 HIGH mm/MADV_COLLAPSE: catch !none !huge !bad pmd lookups
CVE-2023-52935 7.8 HIGH mm/khugepaged: fix ->anon_vma race
CVE-2025-21867 7.8 HIGH bpf, test_run: Fix use-after-free issue in eth_skb_pkt_type()
CVE-2022-49760 7.8 HIGH mm/hugetlb: fix PTE marker handling in hugetlb_change_protection()
CVE-2023-52973 7.8 HIGH vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF
CVE-2023-52974 7.8 HIGH scsi: iscsi_tcp: Fix UAF during login when accessing the shost ipaddress
CVE-2023-52975 7.8 HIGH scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress
CVE-2023-53009 7.8 HIGH drm/amdkfd: Add sync after creating vram bo
CVE-2023-53033 7.8 HIGH netfilter: nft_payload: incorrect arithmetics when fetching VLAN header bits
CVE-2023-53028 7.8 HIGH Revert "wifi: mac80211: fix memory leak in ieee80211_if_add()"
CVE-2023-53026 7.8 HIGH RDMA/core: Fix ib block iterator counter overflow
CVE-2023-53023 7.8 HIGH net: nfc: Fix use-after-free in local_cleanup()
CVE-2023-53021 7.8 HIGH net/sched: sch_taprio: fix possible use-after-free
CVE-2023-52988 7.8 HIGH ALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac_path()

Showing top 20 of 124 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53030

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