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CVE-2021-47052— crypto: sa2ul - Fix memory leak of rxd

AI Predicted 5.5 Difficulty: Moderate EPSS 0.24% · P15

Possible ATT&CK Techniques 1AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 10

VendorProductVersion RangeStatus
LinuxLinux00c9211f60db2dead16856f81a3e6ab86b31f275< 0e596b3734649041ed77edc86a23c0442bbe062baffected
00c9211f60db2dead16856f81a3e6ab86b31f275< dfd6443bf49ac17adf882ca46c40c506a0284bd6affected
00c9211f60db2dead16856f81a3e6ab86b31f275< b7bd0657c2036add71981d88a7fae50188150b6eaffected
00c9211f60db2dead16856f81a3e6ab86b31f275< 854b7737199848a91f6adfa0a03cf6f0c46c86e8affected
5.10affected
< 5.10unaffected
5.10.37≤ 5.10.*unaffected
5.11.21≤ 5.11.*unaffected
… +2 more rows
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I. Basic Information for CVE-2021-47052

Vulnerability Information
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Vulnerability Title
crypto: sa2ul - Fix memory leak of rxd
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: crypto: sa2ul - Fix memory leak of rxd There are two error return paths that are not freeing rxd and causing memory leaks. Fix these. Addresses-Coverity: ("Resource leak")
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 rxd 存在内存泄漏。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 00c9211f60db2dead16856f81a3e6ab86b31f275 ~ 0e596b3734649041ed77edc86a23c0442bbe062b -
LinuxLinux 5.10 -

II. Public POCs for CVE-2021-47052

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III. Intelligence Information for CVE-2021-47052

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Other References for CVE-2021-47052 (4)

Same Patch Batch · Linux · 2024-02-28 · 86 CVEs total

CVE-2021-46995can: mcp251xfd: mcp251xfd_probe(): fix an error pointer dereference in probe
CVE-2021-46998ethernet:enic: Fix a use after free bug in enic_hard_start_xmit
CVE-2021-46999sctp: do asoc update earlier in sctp_sf_do_dupcook_a
CVE-2021-47001xprtrdma: Fix cwnd update ordering
CVE-2021-47004f2fs: fix to avoid touching checkpointed data in get_victim()
CVE-2021-47003dmaengine: idxd: Fix potential null dereference on pointer status
CVE-2021-47005PCI: endpoint: Fix NULL pointer dereference for ->get_features()
CVE-2021-47007f2fs: fix panic during f2fs_resize_fs()
CVE-2021-47006ARM: 9064/1: hw_breakpoint: Do not directly check the event's overflow_handler hook
CVE-2021-47002SUNRPC: Fix null pointer dereference in svc_rqst_free()
CVE-2021-46997arm64: entry: always set GIC_PRIO_PSR_I_SET during entry
CVE-2021-46996netfilter: nftables: Fix a memleak from userdata error path in new objects
CVE-2021-46994can: mcp251x: fix resume from sleep before interface was brought up
CVE-2021-46992netfilter: nftables: avoid overflows in nft_hash_buckets()
CVE-2021-46993sched: Fix out-of-bound access in uclamp
CVE-2021-46990powerpc/64s: Fix crashes when toggling entry flush barrier
CVE-2021-46991i40e: Fix use-after-free in i40e_client_subtask()
CVE-2021-46989hfsplus: prevent corruption in shrinking truncate
CVE-2021-46987btrfs: fix deadlock when cloning inline extents and using qgroups
CVE-2021-46988userfaultfd: release page in error path to avoid BUG_ON

Showing top 20 of 86 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2021-47052

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