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CVE-2023-52687— crypto: safexcel - Add error handling for dma_map_sg() calls

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dma_map_sg函数出错时可能返回 0。

CVSS 9.8 · Critical EPSS 0.60% · P46

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1< 4c0ac81a172a69a7733290915276672787e904ec affected
49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1< 8084b788c2fb1260f7d44c032d5124680b20d2b2 affected
49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1< fc0b785802b856566df3ac943e38a072557001c4 affected
49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1< 87e02063d07708cac5bfe9fd3a6a242898758ac8 affected
6.1 affected
< 6.1 unaffected
6.1.75≤ 6.1.* unaffected
6.6.14≤ 6.6.* unaffected
… +2 more rows
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I. Basic Information for CVE-2023-52687

Vulnerability Information
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Vulnerability Title
crypto: safexcel - Add error handling for dma_map_sg() calls
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: crypto: safexcel - Add error handling for dma_map_sg() calls Macro dma_map_sg() may return 0 on error. This patch enables checks in case of the macro failure and ensures unmapping of previously mapped buffers with dma_unmap_sg(). Found by Linux Verification Center (linuxtesting.org) with static analysis tool SVACE.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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dma_map_sg函数出错时可能返回 0。
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 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1 ~ 4c0ac81a172a69a7733290915276672787e904ec -
Linux Linux 6.1 -

II. Public POCs for CVE-2023-52687

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III. Intelligence Information for CVE-2023-52687

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Other References for CVE-2023-52687 (4)

Same Patch Batch · Linux · 2024-05-17 · 135 CVEs total

CVE-2024-27416 8.8 HIGH Bluetooth: hci_event: Fix handling of HCI_EV_IO_CAPA_REQUEST
CVE-2024-35843 8.8 HIGH iommu/vt-d: Use device rbtree in iopf reporting path
CVE-2024-35804 8.8 HIGH KVM: x86: Mark target gfn of emulated atomic instruction as dirty
CVE-2024-35811 8.8 HIGH wifi: brcmfmac: Fix use-after-free bug in brcmf_cfg80211_detach
CVE-2024-27415 8.8 HIGH netfilter: bridge: confirm multicast packets before passing them up the stack
CVE-2024-35856 8.8 HIGH Bluetooth: btusb: mediatek: Fix double free of skb in coredump
CVE-2024-35834 8.2 HIGH xsk: recycle buffer in case Rx queue was full
CVE-2024-27404 8.2 HIGH mptcp: fix data races on remote_id
CVE-2023-52669 8.2 HIGH crypto: s390/aes - Fix buffer overread in CTR mode
CVE-2024-35789 8.0 HIGH wifi: mac80211: check/clear fast rx for non-4addr sta VLAN changes
CVE-2023-52691 7.8 HIGH drm/amd/pm: fix a double-free in si_dpm_init
CVE-2024-35791 7.8 HIGH KVM: SVM: Flush pages under kvm->lock to fix UAF in svm_register_enc_region()
CVE-2024-35792 7.8 HIGH crypto: rk3288 - Fix use after free in unprepare
CVE-2024-35793 7.8 HIGH debugfs: fix wait/cancellation handling during remove
CVE-2024-35798 7.8 HIGH btrfs: fix race in read_extent_buffer_pages()
CVE-2024-35808 7.8 HIGH md/dm-raid: don't call md_reap_sync_thread() directly
CVE-2024-35810 7.8 HIGH drm/vmwgfx: Fix the lifetime of the bo cursor memory
CVE-2024-35835 7.8 HIGH net/mlx5e: fix a double-free in arfs_create_groups
CVE-2024-35813 7.8 HIGH mmc: core: Avoid negative index with array access
CVE-2024-35827 7.8 HIGH io_uring/net: fix overflow check in io_recvmsg_mshot_prep()

Showing top 20 of 135 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-52687

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