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2289 advisories across 32 monitored vendors.
In the Linux kernel, the following vulnerability has been resolved: ipv6: anycast: insert aca into global hash under idev->lock syzbot reported a splat [1]: a slab-use-after-free in ipv6_chk_acast_addr(), which walks the global inet6_acaddr_lst[] hash under RCU and dereferences a struct ifacaddr6 that has already been freed while still linked in the hash, so a later reader walks into a dangling node. In __ipv6_dev_ac_inc() the aca is allocated with refcount 1, then aca_get() bumps it to 2 to keep it alive across the unlocked region. It is published to idev->ac_list under idev->lock, but ipv6_add_acaddr_hash() runs after write_unlock_bh(). This window opened once RTNL stopped serializing the join path against device teardown. Move ipv6_add_acaddr_hash() inside the idev->lock section so the ac_list and hash insertions are atomic with respect to teardown: a racing remover now either misses the aca entirely or finds it in both lists. acaddr_hash_lock is now nested under idev->lock, which is acquired in softirq context, so switch all acaddr_hash_lock sites to spin_lock_bh() to avoid the irq lock inversion reported in [2]. [1] https://syzkaller.appspot.com/bug?extid=a01df04303c131efbf3a [2] https://lore.kernel.org/netdev/6a194ef7.ba3b1513.1890b4.0000.GAE@google.com/ A flaw was found in the Linux kernel, specifically within its management of IPv6 anycast addresses.
In the Linux kernel, the following vulnerability has been resolved: net/sched: act_api: use RCU with deferred freeing for action lifecycle When NEWTFILTER and DELFILTER are run concurrently it is possible to create a race with an associated action. Let's illustrate with CPU0 running NEWTFILTER and CPU1 running DELFILTER: 0: mutex_lock() <-- holds the idr lock 0: rcu_read_lock() 0: p = idr_find(idr, index) <-- action p is valid (RCU protects IDR) 0: mutex_unlock() <-- releases the idr lock 1: refcount_dec_and_mutex_lock() <-- refcnt 1->0, mutex held 1: idr_remove(idr, index) <-- Action removed from IDR 1: mutex_unlock() <-- mutex released allowing us to delete the action 1: tcf_action_cleanup(p); kfree(p) <-- Kfrees p immediately, no deferral 0: refcount_inc_not_zero(&p->tcfa_refcnt) <-- ouch, UAF p points to freed memory This patch fixes the race condition between NEWTFILTER and DELFILTER by adding struct rcu_head to tc_action used in the deferral and introducing a call_rcu() in the delete path to defer the final kfree(). Note: this is a revert of commit d7fb60b9cafb ("net_sched: get rid of tcfa_rcu") but also modernization/simplification to directly use kfree_rcu().
In the Linux kernel, the following vulnerability has been resolved: ipvs: clear the svc scheduler ptr early on edit ip_vs_edit_service() while unbinding the old scheduler clears the svc->scheduler ptr after the scheduler module initiates RCU callbacks. This can cause packets to use the old scheduler at the time when svc->sched_data is already freed after RCU grace period. Fix it by clearing the ptr early in ip_vs_unbind_scheduler(), before the done_service method schedules any RCU callbacks. Also, if the new scheduler fails to initialize when replacing the old scheduler, try to restore the old scheduler while still returning the error code. A flaw was found in the Linux kernel's IP Virtual Server (IPVS) component. During the `ip_vs_edit_service()` operation, the `svc->scheduler` pointer is cleared too late when unbinding an old scheduler. This improper handling allows packets to access previously freed scheduler data, leading to a use-after-free vulnerability. This can result in system instability or a denial of service. Red Hat severity: Moderate — CVSS 7 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H). Weakness: CWE-825. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9. Will not fix / out of support: Red Hat Enterprise Linux 6.
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix a use-after-free of the hci_conn pointer In iso_sock_rebind_bc(), the bis pointer is cached, then the socket lock is dropped: bis = iso_pi(sk)->conn->hcon; /* Release the socket before lookups since that requires hci_dev_lock * which shall not be acquired while holding sock_lock for proper * ordering. */ release_sock(sk); hci_dev_lock(bis->hdev); During the unlocked window, could a concurrent close() destroy the connection and free the bis structure, causing hci_dev_lock(bis->hdev) to access memory after it is freed, fix this by using the hdev reference which was safely acquired via iso_conn_get_hdev(). Red Hat severity: Moderate — CVSS 7 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H). Affected Red Hat products: Red Hat Enterprise Linux 10. Red Hat does not currently list a fixing RHSA for this CVE.
Use after free in Payments. Red Hat rates this important (CVSS 6.6). Weakness: CWE-825.
The webp decoder can panic when processing a VP8 chunk with dimensions that do not match the canvas size. A flaw was found in the `golang.org/x/image/webp` library's WebP decoder. A remote attacker could exploit this vulnerability by providing a specially crafted WebP image containing a VP8 chunk with mismatched dimensions. This could cause the decoder to panic, leading to a denial of service (DoS) for applications processing such images. Red Hat products are not affected by this vulnerability. VolSync is a storage replication operator and Cryostat Storage is an object storage backend — neither processes WebP images. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H). Weakness: CWE-1288. Red Hat lists Cryostat 4; Red Hat Advanced Cluster Management for Kubernetes 2 as not affected.
Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.5, the Glances XML-RPC server (glances -s, implemented in glances/server.py) does not validate the HTTP Host header, leaving it vulnerable to DNS rebinding attacks. An attacker can exploit DNS rebinding to exfiltrate the full system monitoring dataset from a victim's browser. This vulnerability is fixed in 4.5.5. If a user is tricked into visiting a malicious website, a remote attacker can exploit this flaw to exfiltrate sensitive system monitoring data. Red Hat severity: Moderate — CVSS 5.3 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N). Weakness: CWE-346.
Denial of Service via deeply nested array comparison. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-770. Red Hat lists fixing advisory RHSA-2026:29986 with package jq-main-1.8.2-0.1.hum1.
Heap out-of-bounds write via oversized raw file processing. Red Hat rates this moderate (CVSS 6.6). Weakness: CWE-787. Red Hat lists fixing advisory RHSA-2026:29986 with package jq-main-1.8.2-0.1.hum1.
Denial of Service via integer overflow and buffer overrun on 32-bit systems. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-190. Red Hat lists fixing advisory RHSA-2026:29986 with package jq-main-1.8.2-0.1.hum1.
pnpm is a package manager. Prior to 10.34.2 and 11.5.3, pnpm and pacquet expanded ${ENV_VAR} placeholders from repository-controlled .npmrc and pnpm-workspace.yaml into registry request destinations and registry credentials. A malicious repository could cause dependency resolution to send victim environment secrets to an attacker-selected registry before lifecycle scripts run. This vulnerability is fixed in 10.34.2 and 11.5.3. A malicious repository could exploit this vulnerability by crafting specific .npmrc or pnpm-workspace.yaml files. When these package managers process these files, they improperly expand environment variable placeholders, leading to the disclosure of sensitive victim environment secrets to an attacker-controlled registry. This could result in unauthorized access to confidential information. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N). Weakness: CWE-15. Affected Red Hat products: Red Hat AMQ Broker 7; Red Hat Build of Keycloak; Red Hat JBoss Enterprise Application Platform 8; Red Hat JBoss Enterprise Application Platform Expansion Pack. Red Hat does not currently list a fixing RHSA for this CVE.
pnpm is a package manager. Prior to 10.34.0 and 11.4.0, pnpm can send user-level unscoped npm authentication credentials to a registry chosen by a repository-local .npmrc file. In the reproduced case, the user's npm config contains a default registry and an unscoped _authToken. The repository does not provide a token-bearing auth line. It only sets registry= to a different registry URL. During normal pnpm metadata/install workflows, pnpm binds the user-origin unscoped credential to the repository-selected registry and sends it as an Authorization header. This vulnerability is fixed in 10.34.0 and 11.4.0. During normal pnpm operations, the user's authentication token, intended for their default registry, can be inadvertently sent to a different, potentially malicious, registry. This could lead to the unauthorized disclosure of sensitive authentication tokens. This Moderate impact information disclosure flaw in pnpm allows an attacker to obtain user-level unscoped npm authentication credentials. When a user runs pnpm commands in a repository with a malicious local `.npmrc` file, their authentication token, intended for their default registry, can be redirected to an attacker-controlled registry. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N). Weakness: CWE-201.
pnpm is a package manager. Prior to 10.34.0 and 11.4.0, pnpm passes the lockfile-controlled git resolution.commit value to git fetch without a -- separator or commit-format validation. For git dependencies fetched through the shallow-fetch path, a malicious lockfile can replace the expected 40-character commit hash with a Git option such as --upload-pack=<command>. For SSH and local transports, --upload-pack can execute the supplied command. HTTPS transports ignore --upload-pack, so the practical attack surface is primarily SSH or local git dependencies. This vulnerability is fixed in 10.34.0 and 11.4.0. An attacker could exploit this vulnerability by providing a malicious lockfile, which could lead to arbitrary code execution. This Moderate severity flaw in pnpm allows for arbitrary code execution. The vulnerability arises from pnpm's improper handling of git dependency commit values from a malicious lockfile, specifically when using SSH or local git transports. Red Hat products utilizing pnpm, such as Konflux, Red Hat Build of Keycloak, Enterprise Application Platform, and Red Hat AMQ, are affected if they process untrusted pnpm-lock.yaml files with SSH or local git dependencies. Red Hat severity: Moderate — CVSS 6.4 (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N). Weakness: CWE-78.
pnpm is a package manager. However, plain pnpm install then performs a resolution repair, accepts the registry's new integrity, updates the lockfile, installs the new content, and exits successfully. This means the lockfile integrity check does not act as a hard stop by default. This vulnerability is fixed in 10.34.0 and 11.4.0. This could lead to the installation of unintended or malicious software, compromising the integrity and confidentiality of the system. Red Hat severity: Moderate — CVSS 6.8 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N). Weakness: CWE-494. Affected Red Hat products: Red Hat AMQ Broker 7; Red Hat Build of Keycloak; Red Hat JBoss Enterprise Application Platform 8; Red Hat JBoss Enterprise Application Platform Expansion Pack. Red Hat does not currently list a fixing RHSA for this CVE.
pnpm is a package manager. Prior to 10.34.2 and 11.5.3, Manifest bin object keys such as "", ".", and ".." passed pnpm's bin-name guard. When a malicious package was installed globally, later global remove, update, or add-replacement flows could re-derive those names from the installed manifest and pass path.join(globalBinDir, binName) to removeBin. For "." this targets the global bin directory; for ".." this targets its parent. This vulnerability is fixed in 10.34.2 and 11.5.3. When a malicious package with specially crafted manifest bin object keys (such as "." or "..") is installed globally, subsequent package management operations like removal, update, or replacement could lead to the deletion of critical directories. This requires an attacker to first trick a user into installing a malicious package globally, limiting the immediate exploitability in typical Red Hat deployments. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H). Weakness: CWE-22. Affected Red Hat products: Red Hat AMQ Broker 7; Red Hat Build of Keycloak; Red Hat JBoss Enterprise Application Platform 8; Red Hat JBoss Enterprise Application Platform Expansion Pack. Red Hat does not currently list a fixing RHSA for this CVE.
Attacker can re-enable and take over disabled clients via Registration Access Token. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-613. Red Hat lists fixing advisory RHSA-2026:30049 with package rhbk/keycloak-operator-bundle:26.4.13-1, rhbk/keycloak-rhel9-operator:26.4-19, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9:26.6-8.
Information disclosure through arbitrary filesystem path probing. Red Hat rates this moderate (CVSS 4.9). Weakness: CWE-22. Red Hat lists fixing advisory RHSA-2026:30049 with package rhbk/keycloak-operator-bundle:26.4.13-1, rhbk/keycloak-rhel9-operator:26.4-19, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9:26.6-8.
Vim is an open source, command line text editor. Prior to 9.2.0662, the dump_prefixes() function in src/spell.c walks a spell-file prefix trie iteratively with a depth counter while dumping the prefixes that apply to a word. The counter is bounded only by the trie structure itself; it is never checked against the size of the fixed MAXWLEN-element stack arrays it indexes (prefix[], arridx[], curi[]). A crafted .spl file, loaded when the user dumps the word list, can drive the descent arbitrarily deep, so the function writes past the end of those arrays. This is a stack out-of-bounds write that corrupts the call frame and crashes the editor. This vulnerability is fixed in 9.2.0662. A remote attacker could exploit this vulnerability by convincing a user to load a specially crafted spell file. This leads to a Denial of Service (DoS), making the editor unavailable to the user. A flaw was found in Vim's spell file handling. The dump_prefixes() function in src/spell.c does not validate the depth of the prefix trie against the size of fixed-size stack arrays, allowing a crafted .spl file to cause a stack out-of-bounds write and crash. Red Hat ships Vim in all RHEL versions and OpenShift CoreOS. Exploitation requires a user to load a malicious spell file and run :spelldump or spelling completion. Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).
Vim is an open source, command line text editor. Prior to 9.2.0670, get_text_props() in src/textprop.c reads a uint16 property count stored inline after a line's text and returns it as the number of 32-byte textprop_T entries that follow. The only check is a floor that guarantees room for a single entry; the count is never checked against the amount of data actually present. A line that declares a large count while carrying little data causes consumers to read far past the end of the line buffer. Such a line can be delivered through a crafted undo file, leading to a crash. This vulnerability is fixed in 9.2.0670. A flaw in Vim allows an attacker to cause a Denial of Service (DoS) via an application crash. If a user opens a maliciously crafted undo file, an out-of-bounds read is triggered in the get_text_props() function due to missing length validation on property counts. Exploitation requires specific user interaction; the vulnerability only triggers when a local user is tricked into opening a specially crafted undo file in Vim. This limits the attack surface to scenarios where untrusted files are intentionally processed Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H). Weakness: CWE-125. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4.
Out-of-bounds Read with libsodium-encrypted Files. Red Hat rates this moderate (CVSS 4.7). Weakness: CWE-125. Red Hat lists fixing advisory RHSA-2026:30267 with package vim-main-9.2.725-1.hum1.