ALSA-2024:2394 (CVE-2020-26555)
Vulnerability from osv_almalinux – Published: 2024-04-30 00:00 – Updated: 2024-11-03 22:05 – Source website
VLAI
Summary
Important: kernel security, bug fix, and enhancement update
Details
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
- kernel: GSM multiplexing race condition leads to privilege escalation (CVE-2023-6546)
- kernel: multiple use-after-free vulnerabilities (CVE-2024-1086, CVE-2023-3567, CVE-2023-4133, CVE-2023-6932, CVE-2023-39198, CVE-2023-51043, CVE-2023-51779, CVE-2023-51780, CVE-2024-1085, CVE-2024-26582)
- kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack (CVE-2020-26555)
- kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion (CVE-2022-0480)
- kernel: multiple NULL pointer dereference vulnerabilities (CVE-2022-38096, CVE-2023-6622, CVE-2023-6915, CVE-2023-42754, CVE-2023-46862, CVE-2023-52574, CVE-2024-0841, CVE-2023-52448)
- kernel: integer overflow in l2cap_config_req() in net/bluetooth/l2cap_core.c (CVE-2022-45934)
- kernel: netfilter: nf_tables: out-of-bounds access in nf_tables_newtable() (CVE-2023-6040)
- kernel: GC's deletion of an SKB races with unix_stream_read_generic() leading to UAF (CVE-2023-6531)
- kernel: Out of boundary write in perf_read_group() as result of overflow a perf_event's read_size (CVE-2023-6931)
- kernel: Bluetooth Forward and Future Secrecy Attacks and Defenses (CVE-2023-24023)
- kernel: irdma: Improper access control (CVE-2023-25775)
- Kernel: double free in hci_conn_cleanup of the bluetooth subsystem (CVE-2023-28464)
- kernel: Bluetooth: HCI: global out-of-bounds access in net/bluetooth/hci_sync.c (CVE-2023-28866)
- kernel: race condition between HCIUARTSETPROTO and HCIUARTGETPROTO in hci_uart_tty_ioctl (CVE-2023-31083)
- kernel: multiple out-of-bounds read vulnerabilities (CVE-2023-37453, CVE-2023-39189, CVE-2023-39193, CVE-2023-6121, CVE-2023-39194)
- kernel: netfilter: race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP (CVE-2023-42756)
- kernel: lib/kobject.c vulnerable to fill_kobj_path out-of-bounds write (CVE-2023-45863)
- kernel: smb: client: fix potential OOBs in smb2_parse_contexts() (CVE-2023-52434)
- kernel: mm/sparsemem: fix race in accessing memory_section->usage (CVE-2023-52489)
- kernel: net: fix possible store tearing in neigh_periodic_work() (CVE-2023-52522)
- kernel: multiple memory leak vulnerabilities (CVE-2023-52529, CVE-2023-52581)
- kernel: net: bridge: data races indata-races in br_handle_frame_finish() (CVE-2023-52578)
- kernel: net/core: kernel crash in ETH_P_1588 flow dissector (CVE-2023-52580)
- kernel: net/sched: act_ct: fix skb leak and crash on ooo frags (CVE-2023-52610)
- kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in function receive_encrypted_standard of client (CVE-2024-0565)
- kernel: tls: race between async notify and socket close (CVE-2024-26583)
- kernel: tls: handle backlogging of crypto requests (CVE-2024-26584)
- kernel: tls: race between tx work scheduling and socket close (CVE-2024-26585)
- kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (CVE-2024-26586)
- kernel: i2c: i801: Fix block process call transactions (CVE-2024-26593)
- kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (CVE-2024-26602)
- kernel: netfilter: nf_tables: reject QUEUE/DROP verdict parameters (CVE-2024-26609)
- kernel: local dos vulnerability in scatterwalk_copychunks (CVE-2023-6176)
- kernel: perf/x86/lbr: Filter vsyscall addresses (CVE-2023-52476)
- kernel: netfilter: nf_tables: disallow timeout for anonymous sets (CVE-2023-52620)
- kernel: ip6_tunnel: fix NEXTHDR_FRAGMENT handling in ip6_tnl_parse_tlv_enc_lim() (CVE-2024-26633)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
References
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"details": "The kernel packages contain the Linux kernel, the core of any Linux operating system. \n\nSecurity Fix(es): \n\n * kernel: GSM multiplexing race condition leads to privilege escalation (CVE-2023-6546)\n * kernel: multiple use-after-free vulnerabilities (CVE-2024-1086, CVE-2023-3567, CVE-2023-4133, CVE-2023-6932, CVE-2023-39198, CVE-2023-51043, CVE-2023-51779, CVE-2023-51780, CVE-2024-1085, CVE-2024-26582)\n * kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack (CVE-2020-26555)\n * kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion (CVE-2022-0480)\n * kernel: multiple NULL pointer dereference vulnerabilities (CVE-2022-38096, CVE-2023-6622, CVE-2023-6915, CVE-2023-42754, CVE-2023-46862, CVE-2023-52574, CVE-2024-0841, CVE-2023-52448)\n * kernel: integer overflow in l2cap_config_req() in net/bluetooth/l2cap_core.c (CVE-2022-45934)\n * kernel: netfilter: nf_tables: out-of-bounds access in nf_tables_newtable() (CVE-2023-6040)\n * kernel: GC\u0027s deletion of an SKB races with unix_stream_read_generic() leading to UAF (CVE-2023-6531)\n * kernel: Out of boundary write in perf_read_group() as result of overflow a perf_event\u0027s read_size (CVE-2023-6931)\n * kernel: Bluetooth Forward and Future Secrecy Attacks and Defenses (CVE-2023-24023)\n * kernel: irdma: Improper access control (CVE-2023-25775)\n * Kernel: double free in hci_conn_cleanup of the bluetooth subsystem (CVE-2023-28464)\n * kernel: Bluetooth: HCI: global out-of-bounds access in net/bluetooth/hci_sync.c (CVE-2023-28866)\n * kernel: race condition between HCIUARTSETPROTO and HCIUARTGETPROTO in hci_uart_tty_ioctl (CVE-2023-31083)\n * kernel: multiple out-of-bounds read vulnerabilities (CVE-2023-37453, CVE-2023-39189, CVE-2023-39193, CVE-2023-6121, CVE-2023-39194)\n * kernel: netfilter: race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP (CVE-2023-42756)\n * kernel: lib/kobject.c vulnerable to fill_kobj_path out-of-bounds write (CVE-2023-45863)\n * kernel: smb: client: fix potential OOBs in smb2_parse_contexts() (CVE-2023-52434)\n * kernel: mm/sparsemem: fix race in accessing memory_section-\u003eusage (CVE-2023-52489)\n * kernel: net: fix possible store tearing in neigh_periodic_work() (CVE-2023-52522)\n * kernel: multiple memory leak vulnerabilities (CVE-2023-52529, CVE-2023-52581)\n * kernel: net: bridge: data races indata-races in br_handle_frame_finish() (CVE-2023-52578)\n * kernel: net/core: kernel crash in ETH_P_1588 flow dissector (CVE-2023-52580)\n * kernel: net/sched: act_ct: fix skb leak and crash on ooo frags (CVE-2023-52610)\n * kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in function receive_encrypted_standard of client (CVE-2024-0565)\n * kernel: tls: race between async notify and socket close (CVE-2024-26583)\n * kernel: tls: handle backlogging of crypto requests (CVE-2024-26584)\n * kernel: tls: race between tx work scheduling and socket close (CVE-2024-26585)\n * kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (CVE-2024-26586)\n * kernel: i2c: i801: Fix block process call transactions (CVE-2024-26593)\n * kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (CVE-2024-26602)\n * kernel: netfilter: nf_tables: reject QUEUE/DROP verdict parameters (CVE-2024-26609)\n * kernel: local dos vulnerability in scatterwalk_copychunks (CVE-2023-6176)\n * kernel: perf/x86/lbr: Filter vsyscall addresses (CVE-2023-52476)\n * kernel: netfilter: nf_tables: disallow timeout for anonymous sets (CVE-2023-52620)\n * kernel: ip6_tunnel: fix NEXTHDR_FRAGMENT handling in ip6_tnl_parse_tlv_enc_lim() (CVE-2024-26633)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. \n\nAdditional Changes: \n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.\n",
"id": "ALSA-2024:2394",
"modified": "2024-11-03T22:05:30Z",
"published": "2024-04-30T00:00:00Z",
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"related": [
"CVE-2020-26555",
"CVE-2022-0480",
"CVE-2022-38096",
"CVE-2022-45934",
"CVE-2023-24023",
"CVE-2023-25775",
"CVE-2023-28464",
"CVE-2023-28866",
"CVE-2023-31083",
"CVE-2023-3567",
"CVE-2023-37453",
"CVE-2023-39189",
"CVE-2023-39193",
"CVE-2023-39194",
"CVE-2023-39198",
"CVE-2023-4133",
"CVE-2023-42754",
"CVE-2023-42756",
"CVE-2023-45863",
"CVE-2023-46862",
"CVE-2023-51043",
"CVE-2023-51779",
"CVE-2023-51780",
"CVE-2023-52434",
"CVE-2023-52448",
"CVE-2023-52450",
"CVE-2023-52476",
"CVE-2023-52489",
"CVE-2023-52522",
"CVE-2023-52529",
"CVE-2023-52574",
"CVE-2023-52578",
"CVE-2023-52580",
"CVE-2023-52581",
"CVE-2023-52597",
"CVE-2023-52610",
"CVE-2023-52620",
"CVE-2023-6040",
"CVE-2023-6121",
"CVE-2023-6176",
"CVE-2023-6531",
"CVE-2023-6546",
"CVE-2023-6622",
"CVE-2023-6915",
"CVE-2023-6931",
"CVE-2023-6932",
"CVE-2024-0565",
"CVE-2024-0841",
"CVE-2024-1085",
"CVE-2024-1086",
"CVE-2024-25744",
"CVE-2024-26582",
"CVE-2024-26583",
"CVE-2024-26584",
"CVE-2024-26585",
"CVE-2024-26586",
"CVE-2024-26593",
"CVE-2024-26602",
"CVE-2024-26609",
"CVE-2024-26633",
"CVE-2024-26671"
],
"schema_version": "1.7.0",
"summary": "Important: kernel security, bug fix, and enhancement update",
"upstream": [
"CVE-2020-26555",
"CVE-2022-0480",
"CVE-2022-38096",
"CVE-2022-45934",
"CVE-2023-24023",
"CVE-2023-25775",
"CVE-2023-28464",
"CVE-2023-28866",
"CVE-2023-31083",
"CVE-2023-3567",
"CVE-2023-37453",
"CVE-2023-39189",
"CVE-2023-39193",
"CVE-2023-39194",
"CVE-2023-39198",
"CVE-2023-4133",
"CVE-2023-42754",
"CVE-2023-42756",
"CVE-2023-45863",
"CVE-2023-46862",
"CVE-2023-51043",
"CVE-2023-51779",
"CVE-2023-51780",
"CVE-2023-52434",
"CVE-2023-52448",
"CVE-2023-52450",
"CVE-2023-52476",
"CVE-2023-52489",
"CVE-2023-52522",
"CVE-2023-52529",
"CVE-2023-52574",
"CVE-2023-52578",
"CVE-2023-52580",
"CVE-2023-52581",
"CVE-2023-52597",
"CVE-2023-52610",
"CVE-2023-52620",
"CVE-2023-6040",
"CVE-2023-6121",
"CVE-2023-6176",
"CVE-2023-6531",
"CVE-2023-6546",
"CVE-2023-6622",
"CVE-2023-6915",
"CVE-2023-6931",
"CVE-2023-6932",
"CVE-2024-0565",
"CVE-2024-0841",
"CVE-2024-1085",
"CVE-2024-1086",
"CVE-2024-25744",
"CVE-2024-26582",
"CVE-2024-26583",
"CVE-2024-26584",
"CVE-2024-26585",
"CVE-2024-26586",
"CVE-2024-26593",
"CVE-2024-26602",
"CVE-2024-26609",
"CVE-2024-26633",
"CVE-2024-26671"
]
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.