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CVSS: 7.8EPSS: 0%CPEs: 9EXPL: 0

14 Aug 2023 — An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled. A flaw was found in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Bluetooth subsystem in the Linux Kernel. This issue may allow a user to cause a use-after-free problem due to sk's children being mishandled. • http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html • CWE-416: Use After Free •

CVSS: 6.7EPSS: 0%CPEs: 18EXPL: 1

09 Aug 2023 — A flaw was found in the exFAT driver of the Linux kernel. The vulnerability exists in the implementation of the file name reconstruction function, which is responsible for reading file name entries from a directory index and merging file name parts belonging to one file into a single long file name. Since the file name characters are copied into a stack variable, a local privileged attacker could use this flaw to overflow the kernel stack. Se ha encontrado un fallo en el controlador exFAT del núcleo de Linu... • https://access.redhat.com/errata/RHSA-2023:6583 • CWE-121: Stack-based Buffer Overflow CWE-787: Out-of-bounds Write •

CVSS: 5.5EPSS: 0%CPEs: 12EXPL: 0

07 Aug 2023 — A flaw was found in the Linux kernel's TUN/TAP functionality. This issue could allow a local user to bypass network filters and gain unauthorized access to some resources. The original patches fixing CVE-2023-1076 are incorrect or incomplete. The problem is that the following upstream commits - a096ccca6e50 ("tun: tun_chr_open(): correctly initialize socket uid"), - 66b2c338adce ("tap: tap_open(): correctly initialize socket uid"), pass "inode->i_uid" to sock_init_data_uid() as the last parameter and that t... • https://access.redhat.com/errata/RHSA-2023:6583 • CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') CWE-863: Incorrect Authorization •

CVSS: 7.8EPSS: 0%CPEs: 13EXPL: 1

07 Aug 2023 — A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system. Se encontró una falla de use-after-free en la funcionalidad Netfilter del kernel de Linux al agregar una regla con NFTA_RULE_CHAIN_ID. Esta falla permite a un usuario local bloquear o escalar sus privilegios en el sistema. • https://github.com/murdok1982/Exploit-en-Python-para-CVE-2023-4147 • CWE-416: Use After Free •

CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0

03 Aug 2023 — A use-after-free vulnerability was found in the siano smsusb module in the Linux kernel. The bug occurs during device initialization when the siano device is plugged in. This flaw allows a local user to crash the system, causing a denial of service condition. • https://access.redhat.com/errata/RHSA-2023:6901 • CWE-416: Use After Free •

CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0

03 Aug 2023 — A use-after-free vulnerability was found in the cxgb4 driver in the Linux kernel. The bug occurs when the cxgb4 device is detaching due to a possible rearming of the flower_stats_timer from the work queue. This flaw allows a local user to crash the system, causing a denial of service condition. • https://access.redhat.com/errata/RHSA-2024:2394 • CWE-416: Use After Free •

CVSS: 7.1EPSS: 0%CPEs: 14EXPL: 0

24 Jul 2023 — A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information. • http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html • CWE-416: Use After Free •

CVSS: 6.4EPSS: 0%CPEs: 4EXPL: 0

24 Jul 2023 — A use-after-free flaw was found in nfc_llcp_find_local in net/nfc/llcp_core.c in NFC in the Linux kernel. This flaw allows a local user with special privileges to impact a kernel information leak issue. • https://access.redhat.com/security/cve/CVE-2023-3863 • CWE-416: Use After Free •

CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 0

21 Jul 2023 — A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to achieve local privilege escalation. If tcf_change_indev() fails, fw_set_parms() will immediately return an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can control the reference counter and set it to zero, they can cause the reference to be freed, leading to a use-after-free vulnerability. We recommend upgrading past commit 0323bce598eea038714f941ce2b225... • http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html • CWE-416: Use After Free •

CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 0

21 Jul 2023 — An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation. The qfq_change_agg() function in net/sched/sch_qfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks. We recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64. An out-of-bounds memory write flaw was found in qfq_change_agg in net/sched/sch_qfq.c in the Traffic Control (QoS) subsystem in the Lin... • https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64 • CWE-787: Out-of-bounds Write •