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CVE-2024-26598— KVM: arm64: vgic-its: Avoid potential UAF in LPI translation cache

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，该漏洞源于在 LPI 转换缓存命中与使缓存无效的操作竞争的情况下，存在潜在的释放后重用问题。

CVSS 8.8 · High EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 6211753fdfd05af9e08f54c8d0ba3ee516034878< d04acadb6490aa3314f9c9e087691e55de153b88 affected
6211753fdfd05af9e08f54c8d0ba3ee516034878< ba7be666740847d967822bed15500656b26bc703 affected
6211753fdfd05af9e08f54c8d0ba3ee516034878< 12c2759ab1343c124ed46ba48f27bd1ef5d2dff4 affected
6211753fdfd05af9e08f54c8d0ba3ee516034878< dba788e25f05209adf2b0175eb1691dc89fb1ba6 affected
6211753fdfd05af9e08f54c8d0ba3ee516034878< 65b201bf3e9af1b0254243a5881390eda56f72d1 affected
6211753fdfd05af9e08f54c8d0ba3ee516034878< dd3956a1b3dd11f46488c928cb890d6937d1ca80 affected
6211753fdfd05af9e08f54c8d0ba3ee516034878< ad362fe07fecf0aba839ff2cc59a3617bd42c33f affected
3.11 affected
… +8 more rows
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I. Basic Information for CVE-2024-26598

Vulnerability Information
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Vulnerability Title
KVM: arm64: vgic-its: Avoid potential UAF in LPI translation cache
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Avoid potential UAF in LPI translation cache There is a potential UAF scenario in the case of an LPI translation cache hit racing with an operation that invalidates the cache, such as a DISCARD ITS command. The root of the problem is that vgic_its_check_cache() does not elevate the refcount on the vgic_irq before dropping the lock that serializes refcount changes. Have vgic_its_check_cache() raise the refcount on the returned vgic_irq and add the corresponding decrement after queueing the interrupt.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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，该漏洞源于在 LPI 转换缓存命中与使缓存无效的操作竞争的情况下，存在潜在的释放后重用问题。
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 6211753fdfd05af9e08f54c8d0ba3ee516034878 ~ d04acadb6490aa3314f9c9e087691e55de153b88 -
Linux Linux 3.11 -

II. Public POCs for CVE-2024-26598

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III. Intelligence Information for CVE-2024-26598

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Mailing List Discussions for CVE-2024-26598 (1)

Other References for CVE-2024-26598 (6)

Same Patch Batch · Linux · 2024-02-23 · 19 CVEs total

CVE-2024-26594 9.1 CRITICAL ksmbd: validate mech token in session setup
CVE-2024-26597 7.8 HIGH net: qualcomm: rmnet: fix global oob in rmnet_policy
CVE-2023-52461 7.8 HIGH drm/sched: Fix bounds limiting when given a malformed entity
CVE-2023-52454 7.5 HIGH nvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length
CVE-2023-52453 7.1 HIGH hisi_acc_vfio_pci: Update migration data pointer correctly on saving/resume
CVE-2024-26593 i2c: i801: Fix block process call transactions
CVE-2024-26599 pwm: Fix out-of-bounds access in of_pwm_single_xlate()
CVE-2023-52455 iommu: Don't reserve 0-length IOVA region
CVE-2023-52456 serial: imx: fix tx statemachine deadlock
CVE-2023-52458 block: add check that partition length needs to be aligned with block size
CVE-2023-52457 serial: 8250: omap: Don't skip resource freeing if pm_runtime_resume_and_get() failed
CVE-2023-52459 media: v4l: async: Fix duplicated list deletion
CVE-2023-52460 drm/amd/display: Fix NULL pointer dereference at hibernate
CVE-2023-52462 bpf: fix check for attempt to corrupt spilled pointer
CVE-2023-52464 EDAC/thunderx: Fix possible out-of-bounds string access
CVE-2023-52463 efivarfs: force RO when remounting if SetVariable is not supported
CVE-2024-26596 net: dsa: fix netdev_priv() dereference before check on non-DSA netdevice events
CVE-2024-26595 mlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-26598

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