Supersmart.me – Walk Through Security Vulnerabilities

CVE-2021-47366

In the Linux kernel, the following vulnerability has been resolved: afs: Fix corruption in reads at fpos 2G-4G from an OpenAFS server AFS-3 has two data fetch RPC variants, FS.FetchData and FS.FetchData64, and Linux's afs client switches between them when talking to a non-YFS server if the read...

CVE-2021-47426

In the Linux kernel, the following vulnerability has been resolved: bpf, s390: Fix potential memory leak about jit_data Make sure to free jit_data through kfree() in the error...

CVE-2021-47259

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix use-after-free in nfs4_init_client() KASAN reports a use-after-free when attempting to mount two different exports through two different NICs that belong to the same server. Olga was able to hit this with kernels...

CVE-2021-47365

In the Linux kernel, the following vulnerability has been resolved: afs: Fix page leak There's a loop in afs_extend_writeback() that adds extra pages to a write we want to make to improve the efficiency of the writeback by making it larger. This loop stops, however, if we hit a page we can't...

CVE-2021-47401

In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix stack information leak The tty driver name is used also after registering the driver and must specifically not be allocated on the stack to avoid leaking information to user space (or triggering an oops). ...

CVE-2021-47399

In the Linux kernel, the following vulnerability has been resolved: ixgbe: Fix NULL pointer dereference in ixgbe_xdp_setup The ixgbe driver currently generates a NULL pointer dereference with some machine (online cpus < 63). This is due to the fact that the maximum value of num_xdp_queues is...

CVE-2021-47316

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix NULL dereference in nfs3svc_encode_getaclres In error cases the dentry may be NULL. Before 20798dfe249a, the encoder also checked dentry and d_really_is_positive(dentry), but that looks like overkill to me--zero...

CVE-2021-47363

In the Linux kernel, the following vulnerability has been resolved: nexthop: Fix division by zero while replacing a resilient group The resilient nexthop group torture tests in fib_nexthop.sh exposed a possible division by zero while replacing a resilient group [1]. The division by zero occurs...

CVE-2021-47399

In the Linux kernel, the following vulnerability has been resolved: ixgbe: Fix NULL pointer dereference in ixgbe_xdp_setup The ixgbe driver currently generates a NULL pointer dereference with some machine (online cpus < 63). This is due to the fact that the maximum value of num_xdp_queues is...

CVE-2021-47349

In the Linux kernel, the following vulnerability has been resolved: mwifiex: bring down link before deleting interface We can deadlock when rmmod'ing the driver or going through firmware reset, because the cfg80211_unregister_wdev() has to bring down the link for us, ... which then grab the same...

CVE-2021-47277

In the Linux kernel, the following vulnerability has been resolved: kvm: avoid speculation-based attacks from out-of-range memslot accesses KVM's mechanism for accessing guest memory translates a guest physical address (gpa) to a host virtual address using the right-shifted gpa (also known as...

CVE-2021-47391

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Ensure rdma_addr_cancel() happens before issuing more requests The FSM can run in a circle allowing rdma_resolve_ip() to be called twice on the same id_priv. While this cannot happen without going through the work, it...

Security Bulletin: IBM WebSphere Application Server and IBM WebSphere Application Server Liberty are vulnerable to an XML External Entity (XXE) injection vulnerability (CVE-2024-22354)

Summary IBM WebSphere Application Server and IBM WebSphere Application Server Liberty are vulnerable to an XML External Entity (XXE) injection vulnerability. Vulnerability Details ** CVEID: CVE-2024-22354 DESCRIPTION: **IBM WebSphere Application Server and IBM WebSphere Application Server Liberty.....

CVE-2021-47426 bpf, s390: Fix potential memory leak about jit_data

In the Linux kernel, the following vulnerability has been resolved: bpf, s390: Fix potential memory leak about jit_data Make sure to free jit_data through kfree() in the error...

CVE-2021-47401 ipack: ipoctal: fix stack information leak

In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix stack information leak The tty driver name is used also after registering the driver and must specifically not be allocated on the stack to avoid leaking information to user space (or triggering an oops)....

CVE-2021-47399 ixgbe: Fix NULL pointer dereference in ixgbe_xdp_setup

In the Linux kernel, the following vulnerability has been resolved: ixgbe: Fix NULL pointer dereference in ixgbe_xdp_setup The ixgbe driver currently generates a NULL pointer dereference with some machine (online cpus < 63). This is due to the fact that the maximum value of num_xdp_queues is...

CVE-2021-47393 hwmon: (mlxreg-fan) Return non-zero value when fan current state is enforced from sysfs

In the Linux kernel, the following vulnerability has been resolved: hwmon: (mlxreg-fan) Return non-zero value when fan current state is enforced from sysfs Fan speed minimum can be enforced from sysfs. For example, setting current fan speed to 20 is used to enforce fan speed to be at 100% speed,...

CVE-2021-47391 RDMA/cma: Ensure rdma_addr_cancel() happens before issuing more requests

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Ensure rdma_addr_cancel() happens before issuing more requests The FSM can run in a circle allowing rdma_resolve_ip() to be called twice on the same id_priv. While this cannot happen without going through the work, it...

CVE-2021-47366 afs: Fix corruption in reads at fpos 2G-4G from an OpenAFS server

In the Linux kernel, the following vulnerability has been resolved: afs: Fix corruption in reads at fpos 2G-4G from an OpenAFS server AFS-3 has two data fetch RPC variants, FS.FetchData and FS.FetchData64, and Linux's afs client switches between them when talking to a non-YFS server if the read...

CVE-2021-47365 afs: Fix page leak

In the Linux kernel, the following vulnerability has been resolved: afs: Fix page leak There's a loop in afs_extend_writeback() that adds extra pages to a write we want to make to improve the efficiency of the writeback by making it larger. This loop stops, however, if we hit a page we can't...

CVE-2021-47363 nexthop: Fix division by zero while replacing a resilient group

In the Linux kernel, the following vulnerability has been resolved: nexthop: Fix division by zero while replacing a resilient group The resilient nexthop group torture tests in fib_nexthop.sh exposed a possible division by zero while replacing a resilient group [1]. The division by zero occurs...

CVE-2021-47362 drm/amd/pm: Update intermediate power state for SI

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Update intermediate power state for SI Update the current state as boot state during dpm initialization. During the subsequent initialization, set_power_state gets called to transition to the final power state....

ic-stable-structures vulnerable to BTreeMap memory leak when deallocating nodes with overflows

Impact When storing unbounded types in a BTreeMap, a node is represented as a linked list of "memory chunks". It was discovered recently that when we deallocate a node, in some cases only the first memory chunk is deallocated, and the rest of the memory chunks remain (incorrectly) allocated,...

ic-stable-structures vulnerable to BTreeMap memory leak when deallocating nodes with overflows

Impact When storing unbounded types in a BTreeMap, a node is represented as a linked list of "memory chunks". It was discovered recently that when we deallocate a node, in some cases only the first memory chunk is deallocated, and the rest of the memory chunks remain (incorrectly) allocated,...

Umbraco CMS Vulnerable to Stored XSS on Content Page Through Markdown Editor Preview Pane

Impact Stored Cross-site scripting (XSS) enable attackers that have access to backoffice to bring malicious content into a website or application. Affected versions Umbraco CMS >= 8.00 Patches This is fixed in 8.18.13, 10.8.4, 12.3.7, 13.1.1 by implementing...

Umbraco CMS Vulnerable to Stored XSS on Content Page Through Markdown Editor Preview Pane

Impact Stored Cross-site scripting (XSS) enable attackers that have access to backoffice to bring malicious content into a website or application. Affected versions Umbraco CMS >= 8.00 Patches This is fixed in 8.18.13, 10.8.4, 12.3.7, 13.1.1 by implementing...

CVE-2021-47349 mwifiex: bring down link before deleting interface

In the Linux kernel, the following vulnerability has been resolved: mwifiex: bring down link before deleting interface We can deadlock when rmmod'ing the driver or going through firmware reset, because the cfg80211_unregister_wdev() has to bring down the link for us, ... which then grab the same...

CVE-2021-47316 nfsd: fix NULL dereference in nfs3svc_encode_getaclres

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix NULL dereference in nfs3svc_encode_getaclres In error cases the dentry may be NULL. Before 20798dfe249a, the encoder also checked dentry and d_really_is_positive(dentry), but that looks like overkill to me--zero status...

CVE-2021-47277 kvm: avoid speculation-based attacks from out-of-range memslot accesses

In the Linux kernel, the following vulnerability has been resolved: kvm: avoid speculation-based attacks from out-of-range memslot accesses KVM's mechanism for accessing guest memory translates a guest physical address (gpa) to a host virtual address using the right-shifted gpa (also known as gfn)....

CVE-2021-47259 NFS: Fix use-after-free in nfs4_init_client()

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix use-after-free in nfs4_init_client() KASAN reports a use-after-free when attempting to mount two different exports through two different NICs that belong to the same server. Olga was able to hit this with kernels starting....

CVE-2021-47255 kvm: LAPIC: Restore guard to prevent illegal APIC register access

In the Linux kernel, the following vulnerability has been resolved: kvm: LAPIC: Restore guard to prevent illegal APIC register access Per the SDM, "any access that touches bytes 4 through 15 of an APIC register may cause undefined behavior and must not be executed." Worse, such an access in...

CVE-2021-47238 net: ipv4: fix memory leak in ip_mc_add1_src

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fix memory leak in ip_mc_add1_src BUG: memory leak unreferenced object 0xffff888101bc4c00 (size 32): comm "syz-executor527", pid 360, jiffies 4294807421 (age 19.329s) hex dump (first 32 bytes): 00 00 00 00 00 00...

CVE-2024-35218 Umbraco CMS Vulnerable to Stored XSS on Content Page Through Markdown Editor Preview Pane

Umbraco CMS is an ASP.NET CMS used by more than 730.000 websites. Stored Cross-site scripting (XSS) enable attackers that have access to backoffice to bring malicious content into a website or application. This vulnerability has been patched in version(s) 8.18.13, 10.8.4, 12.3.7, 13.1.1 by...

CVE-2024-35361

MTab Bookmark v1.9.5 has an SQL injection vulnerability in /LinkStore/getIcon. An attacker can execute arbitrary SQL statements through this vulnerability without requiring any user...

CVE-2024-35361

MTab Bookmark v1.9.5 has an SQL injection vulnerability in /LinkStore/getIcon. An attacker can execute arbitrary SQL statements through this vulnerability without requiring any user...

CVE-2024-4435

When storing unbounded types in a BTreeMap, a node is represented as a linked list of "memory chunks". It was discovered recently that when we deallocate a node, in some cases only the first memory chunk is deallocated, and the rest of the memory chunks remain (incorrectly) allocated, causing a...

Authentication Bypass Via Signature Wrapping

onelogin/php-saml is vulnerable to Authentication Bypass. The vulnerability is due to improper signature validation, which allows a malicious user to bypass authentication through signature...

CVE-2024-4435 BTreeMap memory leak when deallocating nodes with overflows

When storing unbounded types in a BTreeMap, a node is represented as a linked list of "memory chunks". It was discovered recently that when we deallocate a node, in some cases only the first memory chunk is deallocated, and the rest of the memory chunks remain (incorrectly) allocated, causing a...

Security Bulletin: IBM Cloud Pak for Network Automation 2.7.3 addresses multiple security vulnerabilities

Summary IBM Cloud Pak for Network Automation 2.7.3 addresses multiple security vulnerabilities, listed in the CVEs below. Vulnerability Details ** CVEID: CVE-2024-30260 DESCRIPTION: **Node.js undici module could allow a remote authenticated attacker to obtain sensitive information, caused by a...

CVE-2024-4290

The Sailthru Triggermail WordPress plugin through 1.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite...

CVE-2024-4289

The Sailthru Triggermail WordPress plugin through 1.1 does not sanitise and escape various parameters before outputting them back in pages and attributes, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as...

CVE-2024-4290 Sailthru Triggermail <= 1.1 - Admin+ Stored XSS

The Sailthru Triggermail WordPress plugin through 1.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite...

CVE-2024-4289 Sailthru Triggermail <= 1.1 - Reflected XSS

The Sailthru Triggermail WordPress plugin through 1.1 does not sanitise and escape various parameters before outputting them back in pages and attributes, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as...

CVE-2021-47277

In the Linux kernel, the following vulnerability has been resolved: kvm: avoid speculation-based attacks from out-of-range memslot accesses KVM's mechanism for accessing guest memory translates a guest physical address (gpa) to a host virtual address using the right-shifted gpa (also known as gfn)....

CVE-2021-47365

In the Linux kernel, the following vulnerability has been resolved: afs: Fix page leak There's a loop in afs_extend_writeback() that adds extra pages to a write we want to make to improve the efficiency of the writeback by making it larger. This loop stops, however, if we hit a page we can't write....

CVE-2021-47366

In the Linux kernel, the following vulnerability has been resolved: afs: Fix corruption in reads at fpos 2G-4G from an OpenAFS server AFS-3 has two data fetch RPC variants, FS.FetchData and FS.FetchData64, and Linux's afs client switches between them when talking to a non-YFS server if the read...

CVE-2023-52771

In the Linux kernel, the following vulnerability has been resolved: cxl/port: Fix delete_endpoint() vs parent unregistration race The CXL subsystem, at cxl_mem -&gt;probe() time, establishes a lineage of ports (struct cxl_port objects) between an endpoint and the root of a CXL topology. Each port.....

CVE-2021-47401

In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix stack information leak The tty driver name is used also after registering the driver and must specifically not be allocated on the stack to avoid leaking information to user space (or triggering an oops)....

CVE-2021-47362

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Update intermediate power state for SI Update the current state as boot state during dpm initialization. During the subsequent initialization, set_power_state gets called to transition to the final power state....

CVE-2021-47349

In the Linux kernel, the following vulnerability has been resolved: mwifiex: bring down link before deleting interface We can deadlock when rmmod'ing the driver or going through firmware reset, because the cfg80211_unregister_wdev() has to bring down the link for us, ... which then grab the same...