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CVE-2024-26736— afs: Increase buffer size in afs_update_volume_status()

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，该漏洞源于缓冲区溢出。

CVSS 8.1 · High EPSS 0.73% · P53

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux d2ddc776a4581d900fc3bdc7803b403daae64d88< 5c27d85a69fa16a08813ba37ddfb4bbc9a1ed6b5 affected
d2ddc776a4581d900fc3bdc7803b403daae64d88< d9b5e2b7a8196850383c70d099bfd39e81ab6637 affected
d2ddc776a4581d900fc3bdc7803b403daae64d88< e56662160fc24d28cb75ac095cc6415ae1bda43e affected
d2ddc776a4581d900fc3bdc7803b403daae64d88< e8530b170e464017203e3b8c6c49af6e916aece1 affected
d2ddc776a4581d900fc3bdc7803b403daae64d88< 6e6065dd25b661420fac19c34282b6c626fcd35e affected
d2ddc776a4581d900fc3bdc7803b403daae64d88< d34a5e57632bb5ff825196ddd9a48ca403626dfa affected
d2ddc776a4581d900fc3bdc7803b403daae64d88< 6ea38e2aeb72349cad50e38899b0ba6fbcb2af3d affected
4.15 affected
… +8 more rows
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I. Basic Information for CVE-2024-26736

Vulnerability Information
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Vulnerability Title
afs: Increase buffer size in afs_update_volume_status()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: afs: Increase buffer size in afs_update_volume_status() The max length of volume->vid value is 20 characters. So increase idbuf[] size up to 24 to avoid overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE. [DH: Actually, it's 20 + NUL, so increase it to 24 and use snprintf()]
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/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，该漏洞源于缓冲区溢出。
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 d2ddc776a4581d900fc3bdc7803b403daae64d88 ~ 5c27d85a69fa16a08813ba37ddfb4bbc9a1ed6b5 -
Linux Linux 4.15 -

II. Public POCs for CVE-2024-26736

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III. Intelligence Information for CVE-2024-26736

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Mailing List Discussions for CVE-2024-26736 (1)

Other References for CVE-2024-26736 (7)

Same Patch Batch · Linux · 2024-04-03 · 94 CVEs total

CVE-2024-26760 9.8 CRITICAL scsi: target: pscsi: Fix bio_put() for error case
CVE-2024-26689 8.8 HIGH ceph: prevent use-after-free in encode_cap_msg()
CVE-2024-26779 8.8 HIGH wifi: mac80211: fix race condition on enabling fast-xmit
CVE-2024-26692 8.3 HIGH smb: Fix regression in writes when non-standard maximum write size negotiated
CVE-2024-26737 7.8 HIGH bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel
CVE-2024-26739 7.8 HIGH net/sched: act_mirred: don't override retval if we already lost the skb
CVE-2023-52637 7.8 HIGH can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER)
CVE-2024-26728 7.8 HIGH drm/amd/display: fix null-pointer dereference on edid reading
CVE-2024-26748 7.8 HIGH usb: cdns3: fix memory double free when handle zero packet
CVE-2024-26718 7.8 HIGH dm-crypt, dm-verity: disable tasklets
CVE-2024-26759 7.8 HIGH mm/swap: fix race when skipping swapcache
CVE-2024-26712 7.8 HIGH powerpc/kasan: Fix addr error caused by page alignment
CVE-2024-26762 7.8 HIGH cxl/pci: Skip to handle RAS errors if CXL.mem device is detached
CVE-2024-26706 7.8 HIGH parisc: Fix random data corruption from exception handler
CVE-2024-26704 7.8 HIGH ext4: fix double-free of blocks due to wrong extents moved_len
CVE-2024-26766 7.8 HIGH IB/hfi1: Fix sdma.h tx->num_descs off-by-one error
CVE-2024-26699 7.8 HIGH drm/amd/display: Fix array-index-out-of-bounds in dcn35_clkmgr
CVE-2024-26697 7.8 HIGH nilfs2: fix data corruption in dsync block recovery for small block sizes
CVE-2024-26772 7.8 HIGH ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()
CVE-2024-26773 7.8 HIGH ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found()

Showing top 20 of 94 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-26736

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